The use of fossil fuels is a concern because it can lead to which of the following? O increased runoff
O global warming
O polluted waters
Oeutrophication

that is wrong, its not thymus.

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