To test a new drug that has the potential of curing people of the common

cold, a company asked human volunteers who were coughing and sneezing

to participate in a clinical study. the objective of the experiment was to test

whether the new drug could cure the volunteers in the experimental group of

the common cold.

•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:

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

it should be briana that has it to me

c is the correct answer hope this !