What is an example of a current environmental change that will likely result in the evolution of many species down the line? (there are multiple answers for this)

Why the moon is not visible from earth during the new moon ?

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

What is the approximate chemical composition of the solar nebula?