Ethanol produced from bioenergy starts with starch produced by corn and sugar cane :)
Answer:
The answer is C. A thermos slows heat transfer.
There is no pigment in the brain, so it is in it's natural colour, grey.
Answer:
A
Explanation:
Homeostasis' main job is to keep your body balanced, typically with variable factors such as temperature or enzyme amounts. Your heart rate increases to keep your blood pressure steady while you exercise. This way, you can have a relatively balanced blood pressure as you exhilarate yourself.
