Where do the most amount of energy in food webs come from ? A. the sun
B. The earth
C. Water
D. Outer space

A. The Sun

Explanation:

The farther down the food web or food chain you go, the less energy is transferred from one organism to the next. This means that by one organism consuming the other, the one doing the consuming will receive less energy than the one that it had just consumed had from whatever it ate.

Because the sun is the basis on all energy, and producers get their energy from the sun, it carries the most amount of energy.

i think that c)gold was found there

but i am not sure

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products