2. Risk-assessment models are used to
A develop policies
B reduce population growth
c control pollution
D maintain treaty agreements

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

Answer// dinosaurs emerged during mesozoic era;

Earth is passing saturn in its orbit, with both planets on the same side of the sun

From my point of view, the answer would be a.