A student is developing a model that shows the steps of protein synthesis. The model should include activities in which three structures?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

What factors contribute to the effect an environmental toxin has on the human body?

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.