Fat is the nutrient needed as an energy store and insulation.
I am mostly sure the answer is B. Good luck, and sorry if it's wrong! :(
Answer:
the answer will be
measure the growth of plant that did not recieve fertilizer
perform additional trials
Explanation:
i just took the test and got the answer right
Humans are warm blooded and can't be cold blooded because of the environment we live in. We can't sit still during the winter and soak up warmth from the sun.
Red blood cells and lots of blood clots due to plasma and platelets