Answer:
Time of change in the sahara desert of south africa.
Explanation:
The slave trade ended in 1807.
These examples of different uses of the geographic perspective help explain why geographic study and research is important as we confront many 21st century challenges, including environmental pollution, poverty<span>, </span>hunger<span>, and </span>ethnic<span> or political </span>conflict.
<span>Because the study of geography is so broad, the discipline is typically divided into specialties. At the broadest level, geography is divided into </span>physical geography<span>, </span>human geography<span>, </span>geographic techniques<span>, and </span>regional geography<span>. </span>
Answer:
hydroelectric, solar, and wind are all renewable energy sources that are good for the earth so pick choice B
Explanation: