Explanation:
Seismic waves can be categorized into two main groups;
Body waves and Surface waves
Body waves are propagated through a material
Surface waves moves through the surface
Primary waves:
They are called P-waves or primary waves These waves have the fastest velocity of all types of seismic waves - 5 to 8km/sThey can pass through any materials because they are longitudinal waves. They are also called compressional wavesSecondary waves:
These are s-waves or shear waves and are body wavesThey have a velocity of about 1-5km/s These waves are transverse wavesThey cannot pass through a region made up of fluidsLove waves
They are transverse wavesThese waves are surface wavesThey move horizontally on the surfaceLove waves cannot pass through liquidsRayleigh waves
They are surface wavesThey have both horizontal and vertical motionThey can pass through both liquids and solids.Which substance is harmful in drinking water at any amount?
A) Nitrates
B) Pesticides
C) Charcoal
D) Coliform Bacteria
Answer:
B
Explanation:
Its a poison stay away from it no matter how much it is
Nemo, a marine fish (adapted for life in the sea salt water ) is placed inside a freshwater aquarium. The next day, the owner finds that he has perished(died) in the tank! Why?
Answer:
The freshwater is hypotonic to the fish
Explanation:
A marine fish is adapted to living in water that is salty.
The fish will not survive because the freshwater would be hypotonic to the body of the fish and as such, excess water would enter its body which will lead to its death. The cells that make up the body of the fish will take-in excess water and lyse, leading to the death of the fish itself.
which two products are bromelain likely to produce when breaking down proteins
amino acids
fatty acid
monosaccharides
nucleic acid
polypeptides
disaccharides
The two specific products that bromelain produces when breaking down proteins are polypeptides and amino acids.
What are proteins?Proteins are a major group of biological macromolecules composed of a linear chain of aminoacids that are linked by means of peptide bonds.
Proteins are fundamental macromolecules present in all biological systems and they can be made by one or more polypeptides in order to form molecules that exhibit primary, secondary, tertiary, and quaternary structures.
These macromolecular structures can be evidenced by the tridimensional shapes that adopt different proteins, which can be globular or fibrous.
In conclusion, the two specific products that bromelain produces when breaking down proteins are polypeptides and amino acids.
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What would be the end result of mitosis if the DNA did not replicate during interphase?
Answer: If cytokinesis took place before mitosis, chromosomes would be divided haphazardly, resulting in a defective cell. ... If chromosomes did not replicate during interphase, each new cell would receive only half the information needed to function properly.
Explanation:
The Formation of the new cell from the old cell is called cell division.
There are two types of cell division, these are as follows:-
MitosisMeiosisThe formation of the new DNA from the old DNA is called replication. The enzymes responsible for the formation of the new DNA is called DNA polymerase.
During the cell division, the DNA doubles its amount at the S phase of the interphase. If in this phase the DNA will not duplicate then at the telophase one cell has no chromosome and become the case of the nullsomy.
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What is the Function of the Cytoplasm found in cells?
Transports materials within the cell.
O Regulates what goes in and out of the cell. Found in plant and animal cells.
Suspends all of the cell organelles.
Collects and packages proteins made by ribosomes, they are like the UPS or Fed-ex of the cell.
In the box provided explain why living organisms
contain more hydrogen atoms than any other
atoms, yet 65% of a typical organism's mass is
oxygen
І
Answer:
Explanation:
Living organisms are mostly made of water. Water is a molecule made from 2 hydrogen atoms and 1 oxygen atom, H2O. Now even though there are 2 hydrogen atoms for every oxygen atom in a living organism oxygen atoms are much heavier than hydrogen atoms. Hydrogen atoms are more than 15 times lighter than oxygen atoms and this is why they can be fewer atoms of oxygen in the body but they will still represent a lot of its weight.
Answer:
The living species comprise more number of hydrogen atoms in comparison to any other atoms, still 65 percent of the usual organism's mass is oxygen. The prime reason for this is that an atom of oxygen comprises sixteen times more mass in comparison to a hydrogen atom.
Explanation:
Don came up with the hypotheses that butterflies prefer to eat nectar from white flowers Don conduct an experiment and learn that his hypotheses with not correct what should Don do next
Answer:
B
Explanation:
A. Don should change the data he collected to make it look like the hypothesis was correct.
B. Don should test a new hypothesis.
C. Don should communicate the results of his experiment.
D. Don should hide his results so that nobody can see that he was wrong.
The correct thing for Don to do would be to test another hypothesis.
Hypotheses are generalized statements without any experimental tests. Once they are tested and are found not to be true, the next thing is to discard them.
A hypothesis that has been proven not to be true no longer serves any purpose. The next thing would be for Don to make and test a new one.
The correct option is B.
Answer:
Don should communicate the results of his experiment.
Explanation:
Question 1 (2 points)
How did we define homeostasis?
Question 1 options:
Actively changing due to an environmental stimulus
Taking “raw” materials and turning it into a usable energy
The ability to increase in size and complexity
Regulation of bodily functions to stay within a certain range
Question 2 (2 points)
Saved
A hypothesis can be described as
Question 2 options:
a testable explanation.
a theory.
a law.
a wild guess.
Question 3 (2 points)
You notice you begin to sweat whenever the door to your bedroom is closed. This is most closely related to which step in the scientific method?
Question 3 options:
making an observation
forming a hypothesis
forming a conclusion
recording data
Question 4 (2 points)
In an experiment, the variable being tested or changed is the
Question 4 options:
control variable
dependent variable
responding variable
independent variable
Question 5 (1 point)
Match each of the following terms with the correct definition?
dependent variable
controls or constants
independent variable
hypothesis
1.
An testable explanation to explain a natural phenomenon
2.
the variables that are held constant in an experiment
3.
the variable that is measured as data in an experiment
4.
the variable that is controlled by the experimenter
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study?
Question 6 options:
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Sam wished to investigate how fertilizer run-off affects the growth of algae in freshwater lakes and streams. He set his experiment up as follows. He placed 900 ml of water into each of five 1000 ml glass beakers. To each beaker, he added 5 ml of water from an aquarium which contained a large concentration of algae. The beakers were placed under a lamp which was on a timer to provide 12 hours of light each day. Liquid fertilizer was added to the beakers in the following amounts.
Each week, a random sample from each of the beakers was examined under a microscope to get a count of the number of algal cells present.
What is the independent variable in this experiment?
Answer:
question 1 is 4. question 2 is 2. question 3 is 1. question 4 is 2. question 5 is 1=3 2=2 3=4 4=1. question 6 is 2
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Which row in the chart below best describes
the active transport of molecule X through a
cell membrane?
Row
Movement of Molecule X
ATP
(1) high concentration – br low concentration used
(2) high concentration - br low concentration
not used
(3) low concentration - br higher concentration used
low concentration - br higher concentration not used
Answer:
It is 1
Explanation:
I had this question on my test last week.
Ten fish have lived in a 10-gallon fish tank for 6 months. However, within 2 weeks of adding 6 new fish, the population of fish drops to 7
fish. Which most likely accounts for this drop in the fish population?
A. The additional fish increased the water level.
B. The additional fish reduced the space per fish.
C. The additional fish increased the water temperature.
D. The additional fish reduced the carbon dioxide levels.
Answer:
I think it's D
Explanation:
Although space per fish is important, and may even be correct, I found D to be the most logical answer as each fish would need the same amount of carbon dioxide or the unbalance would cause a decrease in population.
Hope this helps
what happens during glycosis in cellular respiration
Answer:
In glycolysis, glucose (C6) is split into two 3-carbon (C3) pyruvate molecules. This releases energy, which is transferred to ATP.
Explanation:
Hope this helps you
Crown me as brainliest:)
In your own words, define or describe what you
already know about photosynthesis?
Answer: Okay so Photosythesis is the process used in most plants (except carnivorus plants) when the plant uses its chroloplasts (cells only plants have) to convert sunlight into sugar which makes food for the plant so it can live without having to hunt for food.
Explanation:
I hope this helps sorry if it doesn't :(
Have a good day :)
Stay motivated :)
Answer:
Photosynthesis is the process used by plants, algae, and certain bacteria to convert the energy from sunlight (or other usable light sources) into chemical energy. Chemical energy is the energy these organisms use for different metabolic processes. During this process, they take in the carbon dioxide produced by all breathing organisms and release oxygen, which we breathe in once again, into the atmosphere.
In a healthy ecosystem, which trophic level should
have the most energy? Why? *WILL MARK BRAINLIEST*
Answer:
Producer(plants)
Explanation:
They can produce there own energy and they help all of the other animals stay alive.
in a healthy ecosystem, the trophic level that should have the most energy is the producer.
WHAT IS TROPHIC LEVEL:Trophic level of an organism refers to the position of the organism in the flow of energy in an ecosystem.Organisms feed on one another in an ecosystem to obtain energy needed for their metabolic activities.More energy is contained in lower trophic levels than that of higher trophic levels. This means that, according to this question, more energy will be in the producers as the lowest trophic level.Therefore, in an healthy ecosystem, the trophic level that should have the most energy is the producer.
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which types of rock can be the source of deposited sediment
Answer: sedimentary
Explanation:
The difference between an community and an ecosystem is that an ecosystem includes abiotic factors
Question 15 options:
True
False
Answer:
the different between an comminuty and an ecosystem is that an ecosystem including abitic factors are false.
Which statement explains a difference between a cell wall and a cell membrane?
CAN SOMEONE PLZ HELP ME!! THIS IS THE 25th TIME I POST THE SAME QUESTION SO PLZ
Answer:
Independent variable-amount of water
Dependanot variable-Bounce, vescosit, and stretchiness
Control-Standard Slime
Constant-Container
Explanation:
Answer:
Independent Variable: amount of water
Dependent Variables: bounce, viscosity, and stretchiness
Control: Standard Slime
Constants: type of container and stirring rod
Explanation:
First, let's define some of these terms:
- Independent Variable: the variable that is manipulated or changed in the experiment
- Dependent Variable: the variable that is measured based on changes to the Independent Variable
- Control: the standards to which the experimental group is compared
- Constants: variables that remain the same
Here, we see that we are "varying the amount of water each time". This means we're changing its amount, so the independent variable is amount of water.
The scenario also says that we "measure the bounce, viscosity, and stretchiness" of the slime, so the dependent variables are bounce, viscosity, and stretchiness.
We also "mix up one batch of Standard Slime for comparison", so we know Standard Slime is our control.
Finally, we "use the same type of container and stirring rod", so those are the constants.
PLZZZ HELP!!! I NEED HELP DESPERATELY!!
What is the gain of FADH₂ per pyruvic acid in the citric acid cycle?
which statement accurately describes bioaccumulation:
1) a substance, such as a pesticide, collects in the body of an organism over time.
2) the concentration of a substance increases as it moves up the food chain
3) a method to get rid of an invasive species in an ecosystem
4) pesticides in the soil, air and water become sources of pollution.
Answer: 1
Explanation:
I think its the first one because I learned this before and the first one seems reasonable
what are the 3 major purposes for the cell cycle
which of the following blood types is considered a "universal reciever" A B AB O
Answer:
o
Explanation:
Do neurons create synaptic connections between endrocrine glands?
Where are new viruses assembled?
Answer:
The government lol, but seriously, the government are the ones who assemble the virus and us as regular citizens, we are the guinea pigs. It’s a sad world we are living in. Now as far as virus related to science, they are created in labs by scientists as an conducted experiment.
9. Iron (Fe) is an element found on the Periodic Table. Iron's atomic number is 26.
Which of the following properties would iron not be expected to have based on its
placement on the Periodic Table?
A Good electrical insulator
B Highly malleable and ductile
C Shiny, metallic luster
D Conducts heat well
HELP!
how do 2 siblings from the same parents look different to each other
Answer:
After all, kids get their genes from the same parents. But brothers and sisters don't look exactly alike because everyone (including parents) actually has two copies of most of their genes. And these copies can be different. Parents pass one of their two copies of each of their genes to their kids.
Explanation:
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Science. Which student is correct
Which of these Earth spheres interacts with coral reefs to cause coral bleaching?
Atmosphere
Cryosphere
Geosphere
Hydrosphere
Answer: Atmosphere
Took the test
It is possible for organisms to reproduce both sexually and asexually?
Your answer:
True or false
Answer:
true
Explanation:
Answer:
The answer to that question is:
True
Which of the following
perform cellular respiration?
(2A)
All living things
Only animals
Only humans and plants
Only plants
Which molecule can freely diffuse through the cell membrane?
Oxygen
Nitrogen
Hydrogen
Glucose