The Miller/Urey experiment showed that A.) that the first cells released oxygen
B.) that volcanos put organic molecules into the atmosphere
C.) that the chemistry of the ancient Earth, with lightning, can form organic molecules
D.) it was possible for life to form from cyanide
I think it's D, but AM I WRONG?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?