Which of these statements best explains why the rainfall in volcanic regions increases after a volcanic eruption? A)The volcano releases particles which help form water droplets.

B)The volcano releases heat causing clouds to form.

C)The molten lava from the volcano helps form water droplets.

D)The increase in fertility of soil around the volcano helps produce rain.

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.