We are different individual the insulin is Depending on how
the body makes and uses insulin can determine which type of diabetes the person
may be diagnosed with. If a person has Type 1 diabetes, then their body is not
producing any insulin at all, and if the other has diabetes Type 2 then their
body is producing fluctuated levels of glucose.
It IS NOT A because after a fire, soil remains, so it would be secondary, not primary. D is INCORRECT because after a volcano, only rock is left so it is primary succession, not secondary.
If you can post the picture I could tell you the correct answer.
To produce food and energy for the cell
C i thick and ima just put suff here cuz it was too short