A..................................
Decreases... barely any energy is transferred to the next level and most of it is lost through heat
The answer should be physical.
For example, when water freezes, or melts, or boils, it's a physical change with temperature. However, correct me if I'm wrong.
Hope this helps :)
I’m not entirely sure about what you’re asking but chargaff’s rule is the thing that states that the amount of each “letter” in DNA is equal to its pair. Guanine (g) pairs with cytosine (C) and the same with adenine(A) and thymine (T). I’m sorry my answer is so vague, but I hope it helps a little!