Atown is said to be carbon neutral. to prove this fact, which two pieces of information do we need?

a) the amount of co2 emitted in the town per day
b) the number of factories in the town
c) the population of the town
d) the amount of co2 removed from the town per day
e)the number of factories using clean energy sources

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the answer is b.) hydrogen bonds between bases.