Look at the value for formaldehyde that is associated with a 1 in 1,000,000 increased risk for cancer. How many times greater is the amount that is safe to inhale than this concentration?

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

c is the answer to this question. altitude affects the weather because air molecules evaporate.

geographic isolation