There is no variation, every individual in the population has the allele for the trait.
Coal, Natural Gas, and Putroleeum?oil
Answer: will either absorb or release energy,
Explanation:
As a phase change occurs, they will either absorb or release energy, which is being transferred into or out of the phase change material. So thermal energy itself doesn't necessarily change location. When this happens thermal energy is either absorbed or released. When it's absorbed enough, the object melts.
Answer:
12. A
13. A
Explanation:
12. A chemical reaction occurs when something new is transformed and changed chemically. The other answer choices, B, C, and D are physical changes; nothing new is really being created.
13. When water is heated to become a gas, that term is called boiling. Hence the name, <em>boiling point. </em>
Answer:
It cannot be digested and, therefore, provides little nutritional value