C. current forms are being depleted faster than they can be naturally replenished. therefore, we must find new forms of renewable energy in case we run out of our current forms.
Answer:
C
Explanation:
because the place is best known for diving and that involves water.
Niger and Congo are two rivers after which countries are named (actually in both cases two countries each) - and those are African countries, so they must be in Africa.
Zambezi is a river in Angola and Namibia.
Tigris is a River in Mesopotamia, in Asia - so that's the correct answer!
