Mutagens are agents that cause mutations and are commonly linked to diseases like cancer. Research on specific types of mutagen and discuss how it mutates the cells and or body. Ex: Agent Orange used in Vietnam.

the answer is d (apex) good luck : ))

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

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added