Which strategies have reduce air pollution in europe

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

C. how would an erratic boulder provide evidence of the flood? type your response here: i