Nonpoint source so your answer would be B.
C looked it up on google yw
Water is considered polar because of the overall charge is unevenly distributed
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.
I think the correct answer from the choices listed above is option A. The condition that would lead to a small population size is a low <span>birth to death ratio. This means that more people are dying than the rate of giving birth which consequently lead to smaller number of people in an area.</span>