When coal is mined, it results in significant land destruction. additionally, the mining of coal can
result in acid drainage
create low carbon dioxide emissions
decrease the greenhouse effect
decrease the effects of acid rain

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.

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they show how organic molecules could be made from earth's early atmosphere.  

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the miller–urey experiment lasted a chemical experiment that mimicked the forms created at the time to be present on the early earth and tested the chemical element of life under those circumstances. the experiment confirmed alexander oparin's and j. b. s.