What is the Richter Scale?

Answers

Answer 1

Answer:

The Richter scale is a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. The more destructive earthquakes typically have magnitudes between about 5.5 and 8.9; the scale is logarithmic and a difference of one represents an approximate thirtyfold difference in magnitude.

Explanation:

Answer 2

Answer:

a numerical scale for expressing the magnitude of an earthquake

Explanation:


Related Questions

How can cells increase their surface area?

Answers

Answer:

They take gravity

Explanation:

Which uses electromagnetic radiation to discover the properties and composition of bodies in space? space probe space station space shuttle space observatory​

Answers

Answer:

Space observatory.

Explanation:

Space observatory uses electromagnetic radiation to discover the properties and composition of bodies in space because it is a telescope that is found in the outer space to check galaxies ,distance planets, and some other astronomical objects and it is sensitive to different electromagnetic spectrum in space and its wavelengths allow lights to get through the Earth's atmosphere.

Answer:

Space observatory

Explanation:

Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemical help black walnut trees compete with plants growing nearby?

Answers

I thought of it as that the black walnut trees will thrive better than plants nearby as the toxic chemicals produced by the trees can harm or make it more difficult for other plants to thrive

Answer:

By attracting herbivores to the other plants

Explanation:

Explain- the 8 characteristics that are required for life

Answers

Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life.

Explanation:

Sensitivity or Response to Stimuli

Organisms can respond to diverse stimuli. For example, plants can grow toward a source of light, climb on fences and walls, or respond to touch. Even tiny bacteria can move toward or away from chemicals (a process called chemotaxis) or light (phototaxis). Movement toward a stimulus is considered a positive response, while movement away from a stimulus is considered a negative response.

Reproduction

Single-celled organisms reproduce by first duplicating their DNA. They then divide it equally as the cell prepares to divide to form two new cells. Multicellular organisms often produce specialized reproductive germline cells that will form new individuals. When reproduction occurs, genes containing DNA are passed along to an organism’s offspring. These genes ensure that the offspring will belong to the same species and will have similar characteristics, such as size and shape.

Growth and Development

All organisms grow and develop following specific instructions coded for by their genes. These genes provide instructions that will direct cellular growth and development, ensuring that a species’ young will grow up to exhibit many of the same characteristics as its parents.

Regulation

Even the smallest organisms are complex and require multiple regulatory mechanisms to coordinate internal functions, respond to stimuli, and cope with environmental stresses. Two examples of internal functions regulated in an organism are nutrient transport and blood flow. Organs (groups of tissues working together) perform specific functions, such as carrying oxygen throughout the body, removing wastes, delivering nutrients to every cell, and cooling the body.

Homeostasis

In order to function properly, cells need to have appropriate conditions such as proper temperature, pH, and appropriate concentration of diverse chemicals. These conditions may, however, change from one moment to the next. Organisms are able to maintain internal conditions within a narrow range almost constantly, despite environmental changes, through homeostasis (literally, “steady state”)—the ability of an organism to maintain constant internal conditions. For example, an organism needs to regulate body temperature through a process known as thermoregulation. Organisms that live in cold climates, such as the polar bear, have body structures that help them withstand low temperatures and conserve body heat. Structures that aid in this type of insulation include fur, feathers, blubber, and fat. In hot climates, organisms have methods (such as perspiration in humans or panting in dogs) that help them to shed excess body heat.

Energy Processing

All organisms use a source of energy for their metabolic activities. Some organisms capture energy from the sun and convert it into chemical energy in food; others use chemical energy in molecules they take in as food.

Evolution

As a population of organisms interacts with the environment, individuals with traits that contribute to reproduction and survival in that particular environment will leave more offspring. Over time those advantageous traits (called adaptations ) will become more common in the population. This process, change over time, is called evolution, and it is one of the processes that explain the diverse species seen in biology. Adaptations help organisms survive in their ecological niches, and adaptive traits may be structural, behavioral, or physiological; as such, adaptations frequently involve other properties of organisms such as homeostasis, reproduction, and growth and development.

Which of the following is not a type of
carbohydrate?
A. Sugars
B. Peptides
C. Fibers
D. Starches

Answers

Answer:

peptides

Explanation:

peptides are not carbohydrates

B. Peptides is not a type of carbohydrate.

What are carbohydrates?

Carbohydrates are organic compounds that are an important source of energy for the human body. They are composed of carbon, hydrogen, and oxygen, and can be simple or complex in structure.

Simple carbohydrates, also known as sugars, include monosaccharides such as glucose and fructose, and disaccharides such as sucrose and lactose. Complex carbohydrates, such as starches and fibers, are made up of long chains of simple sugars. Carbohydrates play a crucial role in providing energy for physical activity and maintaining healthy brain function. A balanced diet should include a variety of carbohydrates, with a focus on complex carbohydrates for sustained energy and good health.

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What information cannot be studied effectively using human torso models? I. the approximate sizes of organs II. the textures of organs III. the interrelationships of organ functions IV. the positions of organs within the body

Answers

Answer:

II. the textures of organs

Explanation:

A human torso model is designed to be as accurate as possible so that students/researchers can understand the inner workings of the body. Therefore, the organs have been designed to be the same size of an actual human being of that stature, while also being in the correct position within the body to better understand the interrelationships between the organs. The only thing that is not accurate in these models is the texture of the organs as most are smooth plastic unlike the actual organs.

Answer: ll and lll only

Explanation:

How does a Evolution start

Answers

Answer with change in the environment organisms change to adapt to the change in of the enviroment .

Which option correctly describes the role of the nucleus in the cell?

The nucleus controls the making of proteins.
The nucleus controls the storage of food and water.
The nucleus controls the production of energy within the cell.
The nucleus controls the breakdown of old cell parts.

Answers

Functions of the nucleus:

control of the genetical information of the cell and the heredity characteristics of an organism

control of the protein and enzyme synthesis

control of cell division and cell growth

storage of DNA, RNA and ribosome

regulation of the transcription of the mRNA to protein

production of ribosomes

Answer: The nucleus controls the making of proteins.

define electric potential of 1 volt​

Answers

Answer:

Explanation:

one volt is the potential difference between two points in electric field if one joule of work is done to move a charge of one coulomb from one point to another point against the electric intensity

1v=1w/1q

The electrical potential is defined as the capability of the charged body to do work. When the body is charged, either electric electrons are supplied to it, or they are removed from it. In both the cases, the work is done. This work is stored in the body in the form of electric potential. Thus, the body can do the work by exerting a force of attraction or repulsion on the other charged particles.

Sacchromyces is a type of yeast preferred by bakers because it grows very quickly. It makes large
numbers of clones in a very short amount of time. What property of yeast makes it grow in number so
rapidly?

meiotic division by sexual reproduction

binary fission by sexual reproduction

parthenogenetic asexual reproduction

budding through asexual reproduction

Answers

Answer:

d

Explanation:

The property of yeast makes it grow in number so rapidly because budding through asexual reproduction. Thus, option D is correct.

What is asexual reproduction?

The mode of reproduction  which involves only single parent is known as asexual mode of reproduction. The example of the asexual reproduction are several and these are budding, fragmentation, spore formation, and binary fission.

Reproduction will be defined as the process which has been carried out by the living organisms and during this process of reproduction the living organisms has been produced their own young ones as well as feed them. Reproduction has been known as the supreme quality of living things.There are mainly two types of the reproduction and these are sexual as well as asexual reproduction.

The process of the reproduction in which two parents are involved has been said to be sexual mode of the reproduction and the process of reproduction in which only single parent has been involved is known as asexual mode of reproduction. The example of asexual reproduction are budding, fragmentation, spore formation, and binary fission.

Therefore, the property of yeast makes it grow in number so rapidly because budding through asexual reproduction. Thus, option D is correct.

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PLZ HELP! WILL RATE BRAINLIEST!! Describe how the flow of matter and energy is a biology theme:

Answers

because it goes in a cycle,

Sun provides energy to plants, which use it to make food from soil nutrients, which is eaten by animal, which is eaten by another animal, that produces waste and die, that decomposes and adds nutrients to the soil, which plants use with sunlight to make food from soil

1 Which of the following is an example of decreasing thermal energy causing matter to
change?
A A crayon melts in a hot car.
B A puddle evaporates on a hot day.
C Water becomes ice in the freezer.
D A marshmallow turns brown when heated.

Answers

Answer:

C. Water becomes ice in the freezer

Explanation:

Thermal energy is basically heat, so decreasing thermal energy is decreasing heat, or something getting COLDER. In the other three examples, they are all getting WARMER.

C / water becomes ice in the freezer

What is formed by a group of cells and tissues that work together to carry oul a specific function? O cell O tissue O organ O organ system​

Answers

Answer:

The answer is C: Organ

Explanation:

A single organ is made of tissue, which carries out a specific function, multiple organs carrying out multiple functions make them an organ system.

Organs are what is formed by a group of cells and tissues that work together to carry out a specific function.

LEVEL OF ORGANIZATION:

The level of organization of life describes the hierarchical pattern of life.

Cell is the basic and fundamental unit of life, hence, the simplest. Cells form tissues, tissues form organs, organs form organ systems and systems form organisms.

According to this question, a group of cells and tissues that work together to carry out a specific function is called organ.

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which of the following are protective barriers that are part of the body's immune system​

Answers

The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.

Why are distant galaxies moving away from our galaxy more quickly than nearby galaxies are?

Answers

The more distant a galaxy is, the more quickly it's moving away. Because space itself is expanding, the more further a galaxy is, the faster it seems to be receding.

1.)_____ is an accepted explanation of an observed phenomenon supported by empirical data. Is it THEORY OR LAW?

Answers

Answer: Law

Explanation: I just did this test

Inflammation of the fibrous connective tissue of the subcutaneous layer of skin is the ____

Answers

the answer to your question should be hypodermis

tell me if im wrong, if not, brainliest plsss?

 what are the similarities and differences between Atoms and molecules?

Answers

Answer:

Physical matter is made up of atoms and molecules. An atom is the sub-component of a molecule, or the smallest unit of matter. It is the smallest part an element can divide into. A molecule is made up of atoms that are bound by ionic, covalent or metallic bond.

Hope this helps :)

Explanation:

Difference

atom is the smallest unit of an element that can or cannot exist freely whilst on the other hand, a molecule is a set of atoms that are held together with the help of a bond and is the smallest unit of a compound.

Similarities

both atoms and molecules react with each other and other molecules and atoms.

Observations, evidence and data that people gather and test support and evaluate scientific explanations is called _____ *

Answers

Answer:

the answer is theory

Explanation:

hope you have what you are looking for! Thx!

Can someone please help I’ll give brainliest!

The questions are:
1. What are the constants (variables that stay the same- also called controlled variables)?
2. What is the independent variable ?
3. What is the dependent variable?
4. What flaw in the design of the experiment can you find ? Explain .
5. What hypothesis do you think the scientists are trying to test?

Answers

Answer:

Explanation:

1) The constants: hours of lgiht per day, their food, wheel for exercise, and cage size

2) Independant variable: temperature

3) Dependant Variable: weight and length

4) Flaw: The mice groups have different amounts of mice. Group 1 has three, group 2 has four and group 3 has two. All groups should have the same number of mice, in this case three mice per group.

5) Does the temperature of a mouse's cage affect their weight and length?

Hope this at least helps!

Why can't two person's from the same family have children together?​

Answers

Answer:

They can have children together. If they are married or in a relationship they can do anything they want together including the want of children.

Explanation:

When parents are blood relatives, there is a higher risk of disease and birth defects, stillbirths, infant mortality and a shorter life expectancy. To have a child with severe diseases and disorders may cause heavy strain for the family in question.

what must happen before a chemical recreation can begin?

Answers

Answer:

The activation energy must be reached. The catalyst makes lower energy pathways available.

Explanation:

3.
Which level of organization is made of many different organs working together
to perform a BIG job for your body, like digesting your food?

Answers

The answer is organ system

The correct answer is organ system.

due date today 1:00 pam

Answers

Answer:

The amount of light that a plant has determines how much the plant grows, plants need sunlight for photosynthesis, and photosynthesis is how they make food so if a plant has little to no sun it won't grow well.

When microscopes were first used hundreds of years ago, scientists discovered that a single drop of water contains many particles that the human eye is unable to detect on its own. The microscopes used today are much more powerful and have allowed scientists to make discoveries about smaller living things, such as how germs can make people sick. Which statement best describes the use of microscopes over the last several hundred years?

Answers

Answer:

a

Explanation:

edge

When microscopes were first used hundreds of years ago, scientists discovered that a single drop of water contains many particles that the human eye is unable to detect on its own. This statement best describes the use of microscopes over the last several hundred years. Thus, option A is correct.

What are the theories related to microphones?

The statement that best describes the development of the theories that has been connected microscopic as well as macroscopic phenomena has took several hundred years for the scientists just to develop current theories, as well as they are still being revised to this same process.

Most of the scientific theories has been involving the microscopic and the macroscopic phenomenon which have been taken several years to be developed atlast however, this theories are still under revision till date. The microscopes used today are much more powerful and have allowed scientists to make discoveries about smaller living things.

Therefore, This statement best describes the use of microscopes over the last several hundred years. Thus, option A is correct.

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Lipids commonly contain fatty acids. What are the two parts of a fatty acid? Check the correct answers below.

A. amino group

B. long chain of carbon and hydrogen

C. carboxyl group

D. R group

E. nucleotide

Answers

Answer:

The answer is C. carboxyl group.

Answer:

b and c

Explanation:

To test the effectiveness of a new nutrient supplement, one group of identical mice is given the supplement, and the other group is not given anything. Which is the most complete list of the parts of an experiment presented in this scenario? independent variable, dependent variable control group, experimental group, dependent variable independent variable, control group, experimental group control group, experimental group

Answers

Answer:

The answer is the second option: Dependent variable, experimental group and control group

Explanation:

Let's list out all possible variables/groups in the option

Independent variable: This is a variable that is intentionally (directly or indirectly) altered by the one doing the experiment but is not affected by any variable/group during the course of the experiment. No Independent variable was mentioned.

Dependent variable: This is a variable that is affected by another variable and is usually the variable been tested during the course of an experiment. The dependent variable here is the effectiveness of a new nutrient supplement.

Experimental group: This is the group that is being treated during the course of an experiment. The experimental group here is the group of identical mice given the supplement.

Control group: This is a reference group that is not given any treatment during the course of an experiment. The control group here is the group of identical mice not given anything.

From the above description, it can be deduced that the parts of the experiment described in the scenario in the question is dependent variable, experimental group and control group.

Answer:

B  :)

Explanation:

for people who speed run

Omar wants to determine if the mass of a model rocket affects how long the rocket is able to stay up in the air. To do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass. He then launches the rockets one at a time and times how long they are able to stay airborne.

What is the test variable (independent variable) in Omar's experiment?

Answers

Answer: To do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass.

Explanation:

In an experiment, the independent variable is the variable that

Answers

Answer:

It is a variable that can be changed or controlled

What would most likely happen if an error occurred when RNA was receiving coding information?

Answers

Answer:

Proteins would be formed incorrectly

Explanation:

Answer:

The answer is A- Proteins would be formed incorrectly.

Explanation:

Got it right on edge

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