Because of James Hutton's idea, Darwin concluded that A. The earth is ancient

B. The earth is only a few thousand years old

C. That natural selection occurred

D. That fossils are old

Charles Lyell’s contribution to Darwins thinking was that

A. Turtles change over time

B. Use and disuse

C. fossils show evolution

D. That the earth geology has been changing since ancient times and still changing

the core of the sun is so hot and there is so much pressure, nuclear fusion takes place, hydrogen is changed to helium. nuclear fusion creates heat and photons. when the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem