The second one changes in the amount of atmospheric gases because it think it might effect everyone including plants and animals because will all breath the same air rather than a mountain building it might affect the animals that like there.
Answer:
The correct answer is C.
Explanation:
The average lifespan for an elephant can be anything from 50-70 years, but the oldest elephant ever was named Lin Wang, who died in a Taiwanese zoo at the ripe old age of 86. But he managed to fit a whole lot of awesome into his life before then.
Hope this helped.