If given an extremely long time, nonliving chemicals will

a. develop into a simple cell
b. make dna
c. still be nonliving

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

What is the most appropriate method of gaining weight (muscle mass)

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing