About 70% of our planet is covered by oceans. compared to the depth of the solid portion of earth, the water on earth forms a a) much thinner layer. b) much thicker layer. c) layer about twice as deep. d) layer with a similar depth.

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