Could someone give the the answer and explain it to me?

The sunlight shines uv radiation on earth,a microwave oven radiates waves on food

The correct answer would be d. because when a volcanoe erupts it cobers the sun with thick ashes and blocks sunlight so there would beba big decrease in solar energy

Hi im  doing the same thing u did to me  a black rooster mates with a white hen.  based on their genotypes, the chance that the offspring will be checkered is 100 percent.  what is the rooster’s genotype?   what is the hen’s genotype? the rooster genotype is  bb  bb  bb  bw  .  the hen’s genotype is  ww  ww  ww  bw  .