Answer:
Since neither reptile could have swum great distances across salt water he inferred that they once lived on a single landmass that has since split apart.
The Aral Sea has shrunk in size because of heavy irrigation. The correct option among all the options that are given in the question is the third option or option "C". The Soviets used the river waters feeding the Aral sea for the purpose of cotton plantation and this destroyed the Aral Sea.
Recent acceleration in population growth and changes in land use patterns have increased human vulnerability to floods. Harmful impact includes direct morbidity and mortality and indirect displacement and widespread damages of crops.
Since you did not give options, I will just help you out by saying that Implied Powers are powers that are <em>Not stated directly but are suggested to be true</em>