What part of africa had a large supply of salt? east african coast northern africa southern africa central africa

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

How can studying economics us make better choices about how to use scare resources