Study the image of the roller coaster, then answer the questions. Note that the arrows indicate the direction of the movement of the roller coaster train. Which section (A or B) of the roller coaster shows positive acceleration?

Which section (A or B) of the roller coaster shows negative acceleration?

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.