!PLEASE HELP ASAP! what is the half-life of the radioactive isotope? what mass of the radioactive isotope will be left after three(3) half-lives?
Answers
Related Questions
Water birds cannot fly. Please select the best answer from the choices provided T F
Answers
Ii want a brief and brief description of a bottlenose dolphin
Answers
Answer:
Explanation:
Bottle nose dolphines live in the water. There name is Tursiops.
Boom done
In recent years, scientists and the public have raised a number of ethical and legal questions about DNA. Many of the questions involve issues of ownership and privacy of personal genetic information. Issues like these became relevant to society because which of these scientific achievements?
Answers
ANSWER: The completion of the Human Genome Project
EXPLANATION:
Human Genome Project (HGP) was completed in April, 2003. Genome varies from one individual to another.
The project involved mapping and sequencing of some people and in other to get each chromosome full sequence in individuals.
However, at the beginning of this project, concerns like ownership and privacy of personal genetic information began to spring up. People are afraid that employers may have access to their genetic information and would reject persons with health issues indicated by their unique genes and health insurance companies may also not provide insurance to people that have deficiency.
In the view of this concern, the United States in 1996 passed the Health Insurance Portability and Accountability Act (HIPAA) which guides against the non-consensual and unauthorized release of health information of individuals.
see cause i dont understand this at all
Answers
Which is the largest bone in the body, found in the hip and groin area?
Answers
Answer:femur bone
Explanation:
Answer:
The femur
Explanation:
hope this is helpful :) have a nice day
(PLZ HELP!!!)
The largest number of individuals of a species that an area can support is the
A) population size
B) carrying capacity
C) limiting factor
D) population growth
Answers
Answer: The answer would actually be carrying capacity so yes the person above is correct
Meiosis results in...
A) 4 diploid daughter cells
B) 2 haploid daughter cells
C) 2 diploid daughter cells
D) 4 haploid daughter cells
Answers
Answer:
The answer is D) 4 haploid daughter cells
Explanation:
Hope this helped Mark BRAINLIEST!!!
0330 (Tuesday)- It has been said that living
organisms are nothing more than sacks of
chemicals and chemical reactions? Do you agree
with this? Why or why not?
Answers
PLEASE HELP, WILL MARK BRAINLEST
Which of these Earth spheres interact with oceans during beach erosion?
geosphere
hydrosphere
cryosphere
atmosphere
Answers
Answer:
I would say hydrosphere
Explanation:
Because it's what interacts with the water on earth
The layers of the atmosphere are determined based upon air temperature, which has to do with the energy of the molecules in the air. Where does this energy originally come from?
Answers
Answer:
The layers of the atmosphere are determined based upon air temperature, which has to do with the energy of the molecules in the air. Where does this energy originally come from?
Explanation:
The layers of the atmosphere are determined based on air temperature, the energy in the air molecules comes from the sun, which increases the temperature of the atmosphere.
What are the layers of atmospheres?There are different layers of the atmosphere. There are seven layers of atmosphere. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
The sun is the only source of energy for the atmosphere. It provides heat or thermal energy and which is acquired by different molecules and these molecules convert this energy into other forms of energy.
Thus, the energy contained in the molecules of the air is derived from the sun, which raises the temperature of the atmosphere, which in turn determines the layers of the atmosphere.
To learn more about energy, refer to the link:
https://brainly.com/question/28174367
#SPJ2
What was the importance of the Supreme Court's decision in the case of Gibbons v. Ogden?
Answers
Answer:
Ogden (1824). In this Commerce Clause case, the Supreme Court affirmed Congress's power to regulate interstate commerce, and held that by virtue of the Supremacy Clause, state laws “must yield” to constitutional acts of Congress.
Explanation:
Which two phrases best describe vascular tissue in plants?
O A. Contain cells that connect to form pipes
B. Cover the outside of plants
O C. Transport water and food
O D. Contain root hair cells and guard cells
Answers
Answer:
These 2 might be the best answers:
A. Contain cells that connect to form pipes
C. Transport water and food
which of the following is true of reproduction? A.only small organisms have a high chance to reproduce B.only large organisms have a high chance to reproduce C.all genes that are beneficial are passed On to the Next Generation. D. on average the fittest organisms fast on jeans the Next Generation.
Answers
Answer:
D
Explanation:
what consists of 2 protons and neutrons and is positively charged
Answers
Hello my name is Tobie and I will be more than glad to help!
your answer should be alpha particle
consisting of two protons and two neutrons emitted by radioactive materials we get what is called a alpha particle
they are usually formed when identical to the nucleus of the helium-4 atom are emitted by radioactive matter !
What can they do to the body?
Since they have radioactive material in them they are very DANGEROUS! If they are inhaled swallowed or somehow get inside our bodies it can cause serious harm!They can harm sensitive living tissue and can go as far as to causing cancer !
What is their electric charge?
+2 e
What is their symbol ?
α, α2+, He2+
Hope this helps!
-Tobie The dog <3
Answer:
Alpha particle
Explanation:
A positively charged particle made up of two protons and two neutrons and released by a radioactive nucleus is the alpha particle.
In this case, we have a large population of lizards that live on an island. These particular lizards can either have an all-green tail or a tail with a black tip. In the large population there are many of each type, but one day, two green-tailed lizards and three lizards with black-tipped tails were picked up by a sailor and dropped off on an island that had no lizards of this kind. It was noted that the black-tipped lizards could use the black tip of their tail to distract predators while they made a quick escape and this particular island had many predators. The lizards began to breed and eventually produced their own large population after a few years. Make a prediction about what you might find if you visited this island after several years based on what you have learned.
PLEASE HELP!!!
Answers
This is a complicated question that's a little easier if you break it down!
Island One:
- Lizard tails are all green or black tipped.
- This island has many of each type.
Sailors Moved:
- two green-tailed lizards
- three black-tipped lizards
On Island Two, we know that the black-tipped lizards are more likely to survive since the question tells us that "the black-tipped lizards could use the black tip of their tail to distract predators while they made a quick escape and this particular island had many predators".
The green tailed lizards do not have this advantage, and the predators are eating more of them because of this (especially if there are a lot of predators!).
We also know that the lizards on the island were able to reproduce and form a large popuation- not all of them were eaten by predators.
Based on this information we can predict:
There are going to be a lot more black tipped lizards (or they may all be black tipped lizards) because they have an advantage in surviving longer.
Lungs in humans and many other species branch out into many tubes until they end in small sacks called alveoli. These alveoli allow oxygen to enter the blood through the capillary beds as pictured above. Alveoli provide much more surface area for the lungs to contact the capillary beds. What is the advantage of lungs with alveoli compared to lungs without alveoli?
Answers
Answer:
It provides more surface area for the absorption of oxygen.
Explanation:
The advantage of lungs with alveoli compared to lungs without alveoli is the availability of large surface area for the oxygen absorption. Alveoli allows oxygen from the air to pass into your blood. There are 480 million alveoli are present in human lungs, this large number and small size of alveoli provides lungs a large surface area to volume ratio so we can conclude that the lungs work better with the help of alveoli as instead of lungs without alveoli.
What are some examples of traits?
Answers
Answer:
Character Traits List & Examples
Honest.
Brave.
Compassionate.
Leader.
Courageous.
Unselfish.
Loyal.
Answer:
Their could be traits such as the ones like features of your body. Or how you feel!!! So you could have brown hair. You could be bored. You could have a mustache.
What are the products of photosynthesis? Reactants?
Answers
Answer: During the process of photosynthesis plants break apart the reactants of carbon dioxide and water and recombine them to produce oxygen (O2) and a form of sugar called glucose (C6H12O6).
Answer:
chlorophyll, water, and carbon dioxide those are the reactant
Explanation:
up there hope it helped:)
what are the major functions of dna?
Answers
DNA serves two important cellular functions: It is the genetic material passed from parent to offspring and it serves as the information to direct and regulate the construction of the proteins necessary for the cell to perform all of its functions!!!
HELP WILL GIVE BRAINLIEST!!! NO LINKS PLS
Answers
Divergent Plate Boundary:
Plates will move away from each other at this boundaryMantle is more exposed as plates move away, and will rise up to the crust/surface.Convergent Plate Boundary:
Plates come together. Crust/plates forced down into the mantleIf you need more details please comment and let me know!
Write a scientific explanation that explains why the tree-frog species are different colors.
Claim: [Fill in the Blanks with your answer]
Evidence: [Fill in the Blanks with your answer]
Reasoning: [Fill in the Blanks with your answer]
Answers
Answer:
Claim: Various factors can tree frogs to change color, such as outdoor temperature, brightness of light and moistness of the air.
Evidence: According to the National Wildlife Foundation "Tree frogs can be a variety of colors, but most of the species found in the United States are green, gray, or brown. Some of them, like the squirrel tree frog (Hyla squirella), are chameleon-like in their ability to change color."
Reasoning: Other factors can cause the variation of colors in tree frogs, these can be used as defense mechanisms to protect or camouflage themselves among their surroundings
Explanation:
To answer these types of questions you just go through it as a process step by step.
What are the major physical barriers to using solar cells and modules?
Answers
Per my research, there are no barriers to using solar cells and modules, and that's why solar has been the majority of new power installed for several years now.
Explanation:This is what I found while researching but if I am incorrect please correct me. Hope this helped somewhat and have a good one!
( ◑‿◑)ɔ┏--┑٩(^◡^ )How do the reproductive glands, pituitary gland and hypothalamus relate to one another?
Answers
Answer:
The nerve center connections the anxious and endocrine frameworks via the pituitary organ. Its capacity is to emit delivering chemicals and repressing chemicals that animate or restrain (like their names infer) creation of chemicals in the front pituitary.
Explanation:
Friction is a force exerted in the direction opposite to an object's motion, which means friction will cause an object's
velocity to decrease.
-true or false?
Answers
Answer:
true
Explanation:
think of a box, if you push it on a smooth floor without friction it would glide pretty easy
but put it on say carpet, the friction from the carpet would not allow the box to move very far
that's also how brakes work, they apply friction to the wheels in order to get them to reduce motion
In the 1950s, Stanley Miller performed experiments to study the origins of life. He created an atmosphere rich in methane, hydrogen, ammonia, water, and simulated lightning. Which substances were most likely produced during Miller’s experiments?
A. protists
B. bacteria
C. amino acids
D. RNA strands
Answers
Answer:
c. amino acids
Explanation:
The substances most likely produced during Miller's experiments would be amino acids.
In their simulation of the early atmosphere, Stanley Miller was able to obtain a mixture of organic compounds in the broth with the major one being amino acids.
The discovery of Stanley Miller gave further credence to the chemosynthetic theory of the origin of life because amino acids form the building blocks of proteins and proteins are essential for the onset of life.
More on the origin of life can be found here: https://brainly.com/question/10527581?referrer=searchResults
Geologists were examining an area in Africa called the Great Rift Valley. Which geologic event MOST likely caused the formation of the valley?
O A impacts from meteors
O B. collision of tectonic plates
O c. diverging continental plates
O D. movement of glaciers
Answers
Answer:
c. diverging continental plates
Explanation:
Vanillin, a compound in vanilla bean, is used for flavoring ice cream. The chemical formula for this compound is C8H8O3.
What elements make up this compound? Check all that apply.
Answers
Answer:
Hydrogen, Carbon, Oxygen
Explanation:
H- hydrogen
C- carbon
O- oxygen
hope this helps
HELP!!!
A source of pollution that comes from one, identifiable place is what type of pollution?
1. Point source of pollution
2.Nonpoint source of pollution
Answers
Answer: Point sources of pollution
Explanation:
The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack.” Factories and sewage treatment plants are two common types of point sources.
Earth is the only planet that is known to support life. Almost two-thirds of Earth's surface is covered with water. It has a rocky terrain consisting of deep valleys and high mountains. Earth is neither too far nor too near to the Sun. This ensures that there is enough sunlight to maintain moderate temperatures on Earth. Which three factors would be most important for a body in the Solar System outside of Earth to support life?
Answers
Answer:
My guess would be an energy source, water, and an atmosphere.
Explanation:
Whatever lives there is going to need energy and water to survive. The atmospheric layer will protect the planet like ours protects Earth. Hope this helps! :)
Answer:
it's going to be water, sunlight and sun
6. Which statement below would be the least likely to cause a sinkhole? A. Humans over pump ground water creating a cavity causing a sinkhole B. Water tables drop creating a cavity in the limestone causing a sinkhole C. Humans remove the top soil exposing the limestone causing a sinkhole D. Acidic groundwater dissolves limestones creating a cavity causing a sinkhole