What causes areas closer to the equator to have warmer air than areas farther away? A. The indirect rays of the sun at the equator B. The concentrated radiation from the sun at the equator O C. The greater angle at which the sun's rays strike Earth's surface at the equator they D. The smaller amount of heat transferred from the sun at the equator

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

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.