Which statement about the water cycle is false? * 1 It naturally recycles water

2 It has a beginning and end

3 it is powered by the sun

4 It involves living things

Why should the united state be concerned about air pollution in china?

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

List charasteristics of athenosphere