What is the primary strategy being used to stop the loss of biodiversity in sub-saharan africa?

deforestation
organic farming
protection
reforestation

Atown is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.

What role did the waterways of europe play in development of europe's economy

What first caused people to consider that the continents were once one large landmass?