*EXTRA POINTS* If the volume of a gas decreases, what happens to the pressure?

If the volume of a gas increases, what happens to the pressure?

Boyle's law. If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas (Figure 1).

Explanation:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

the answers are a and c