Answer:
b. Clean up plastic trash from shorelines, rivers, and other waterways that flow into the oceans.
Explanation:
Oceanic plastic garbage "patches" are a build up of debris most especially plastic, nylons, waste from wood that was deposited purposely or not purposely( by the wind or ocean waves) into the ocean.
Human activity that would most directly reduce the amount of plastic garbage that enters the ocean includes the cleaning up plastic trash from shorelines, rivers, and other waterways that flow into the oceans.
<span>During the development of
a gamete, the two alleles of the P generation separate. Each gamete carries one allele from each
parent which randomly pairs in the F1 generation. This mechanism repeats when
F1 plants cross and yield F2 plants. The
outcome of the F2 generation would then have new combinations of alleles which
can be different compared to the preceding generations.</span>
The amount of light. He is testing the effects of light, which implies there will be different amounts of light tested to reach a conclusion.