How do i graph this data on my bar graph

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Why does bubbling occur when vinegar mixed with baking soda

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.