In the 1960s, new evidence support the theory of continental drift and change it into the theory of plate tectonics. what was this new evidence?

Why should the united state be concerned about air pollution in china?

Competition occurs between species when

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.