Answer:
A.
Explanation:
Nuclear energy is a non-renewable energy source because the fuel it takes to produce the energy (usually uranium or plutonium) is rare.
Answer:
To copy the genetic information in order for the cell to divide via mitosis or meiosis.
Answer:
Proteins are a class of macromolecules.
Explanation:
Proteins are a class of macromolecules, that can perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers or as hormones. The building blocks of proteins are amino acids.
Most gases are invisible. Give it some thought. Like 2 gases your body use to breathe. The noble gases on the periodic table. The most abundant gas in the Earth's atmosphere. The one everyone is concerned about being affected by global warming. The poisonous one in some people's houses.
<h3><u>Answer;</u></h3>
A skinner chamber
A <u>skinner chamber</u> is a chamber that isolates the subject from the external environment.
<h3><u>Explanation;</u></h3>
- A skinner chamber or skinner box an enclosed chamber which contains a bar or key that an animal can press or manipulate in order to obtain food or water as a type of reinforcement.
- <em><u>This box was used by Skinner in his experiments concerning Operant conditioning. From the experiments that he conducted he realized that the important part of any operant conditioning id recognizing the operant behavior and the outcome resulted in that particular environment.</u></em>