Answer:
The answer is "The temperature of the water."
Explanation:
Because he is trying figure out if the temperature affects how the crayfish lives
C, decrease.
If the trait is easy to be seen by predators, they will be caught more often than those without the trait, thus reducing the frequency of the trait.
Explanation:
The motion of atoms and molecules produces a form of energy that is present in all matter, called heat or thermal energy. ... Energy can take many forms, and from one form to another, it can alter. Many different energy forms can be transformed into heat energy
Answer:
Ozone high in the atmosphere is a pollutant, but near Earth's surface, it provides protection from harmful rays.
Explanation:
I had this test last week so here you go, let me know if it helped!