Air mass, letter a is the correct one
Seven countries make up the region of Central America, two of them are Belize and Costa Rica.
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.
Slavery was more prevalent in South Carolina than in North Carolina because settlers of South Carolina came from plantations in Barbados and settlers of North Carolina usually had small farms. Another factor why slavery was common in the Carolinas was because the colonists in the Carolinas came from the Caribbean, where slavery was common.
