How are organic sedimentary rocks different from other sedimentary rocks? a. they are formed from lava. b. they are made up of once-living things, like shells. c. they are formed from the fragments of worn-down rocks. d. they are made from chemical reactions or by evaporation.

Describe five factors that influence the value of fuel

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .