Primary or secondary source? the first music record

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles