Most of the Earth's volume is contained in the . A.
mantle
B.
crust
C.
outer core
D.
inner core

A.

Explanation:

This region is known as the mantle, and accounts for the vast majority of the Earth's volume. Movement, or convection, in this layer is also responsible for all of Earth's volcanic and seismic activity

the bullets go in this order.

4, 1, 3, 5, 2

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.