Question 3 of 10 Which statement best describes the law of conservation of energy?
A. Energy is neither destroyed nor created during energy
transformations.
B. The total energy in an isolated system can only decrease.
C. Energy can be destroyed only in open systems.
D. Energy cannot change forms in closed systems.

Your answer should be A) Energy is neither destroyed nor created during energy transformations.

Explanation:

In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. Hope this helped and it was correct :)

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

it should be briana that has it to me