In the metric system, what do the kilogram, kilometer, and kilocalorie have in common?
a. All measure the same type of quantity, and are interchangeable.
b. All are units 1000 times larger than a base unit.
c. All are units 1000 times smaller than a base unit.
d. All are units 1 million times larger than a base unit.

yes

Explanation:

yes

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

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