High-and-low air presure areas leading to air movement happens when there are differences in which
a) density
b) atmosphere
c) clouds
d) percipitation
urgent
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What are two ways in which waves erode the land?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.