A desert is an example of a(n) , and the Gobi Desert is an example of a(n) . A. ecosystem ... biome B. biome ... ecosystem C. ecosystem ... climate D. climate ... biome help me

What is the speed of sound in water

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.

How much water is in the ocean in cubic kilometers