Answer:
Radiation energy can be defined as energy produced from the sun, chemicals, or waste. Radiation is any energy that causes some consequence to out body or animal.
Explanation:
Enzymes are protein macromolecules.
Answer:
The answer is C
Explanation: The random change in the gene pool is due to genetic drift. Remember, genetic drift occurs at a more rapid rate when the population size is reduced. The flood is a random occurrence. It could have as easily been a drought.
Tundra ecosystem is cold and sunlight is short. Plants need sunglight and warmth in order to grow, thus plants in tundra are shorter and cloers to the ground since the ground is warmer than the air