Name 2 problems that can occur in a fresh water biome that can have a negative impact on Pacific NW Salmon. Describe how each of those problems could impact the salmon.

building of dams- fish are barricaded when they try to travel in order to reproduce. No reproduction obviously leads to the extinction of the species.

factory fumes- pollute the freshwater.

Global warming- Higher temperatures are causing the water to be evaporated more quickly  because of this plants in or around the source of water are dying and animals are losing their food sources.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

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