Why do farmers and herders in Africa have trouble being environmentally responsible? A.
They care about money more than the environment.
B.
Global warming is causing environmental problems, and there is nothing the people can do to stop it.
C.
The government does not want to pass laws to protect the environment.
D.
They are very poor, and lack the resources to protect their land and still feed their families.

I think the answer is D, however I could be wrong.

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.