Steel is formed when a little bit of carbon is added to this element. (the carbon gives strenth and hardness to steel

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.

Produce proteins by following coded instructions that come from the nucleus of the cell.