PLEASE HELP ASAP WILL MARK Isolated bodies of water follow the theory of island biogeography. Two bodies of water that are approximately the same size, depth, and latitude are found to have a large difference in the number of species inhabiting them. What is the most influential contributing island biogeography factor resulting in the difference in the number of species found in each body of water?

Fewer predators in one body of water than the other
One body of water has a higher salinity than the other
One body of water is slightly warmer than the other
The relative ages of the two bodies of water differ greatly

would not cooperate with each other voluntarily.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

b) the confederacy had to pay all union war expenses.