Answer:
It is either C. or D. It is most likely D.
Explanation:
This is because the efficiency of solar power can vary based on the season or events. All in all, it cannot be completely reliable.
Hybrid = having one recessive and one dominant allele
This means that all of the flowers must have the genotype Bb.
Knowing this, let's make a Punnet Square.

As you can see, 3 of these are going to have the dominant trait and 1 is going to have the recessive trait. This corresponds to our 3:1 in our question, meaning that the black seeds must be dominant and the brown ones recessive.
Because they are dominant, the genotype for black seeds could be
BB <em /><em>or</em>
Bb.
The biome that exist closest to the Earth's poles are descibed as polar