migration rates,birth rates and death rates are all ways to measure changes in the population?
By saying the centennial high school parking lot is five blocks down from the softball field is using a relative location using people's knowledge of a familiar landmark like the softball field as a reference to visualize where the parking lot is in space.
Answer: How explosively or quietly a volcano erupts is not affected by the:
C) concentration of dissolved gases in the magma.
Explanation: Therefore, when a volcano is explosive or less explosive, is as a result of the composition of magmas in different areas or location.