Solar energy causes water to evaporate into the atmosphere. how does that water vapor become a cloud?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

Why do mountaineers become breathless as they reach high altitudes