B. Increased exposure to UV light increases the risk of mutation occurring.
Answer:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Struggled with this earlier but because of the high altitude only some animals can live there and thrive because of the lower oxygen levels
I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
