Answer:
Explanation:
The main difficulty of barter system is the lack of double coincidence of wants. In a barter system a person who wants to exchange his goods must find some person who is willing to exchange his commodity with his commodity. Hope that helps!!!
C. Televised images of bodies of US troops dragged through Somalia’s capital city.
Mao's policy of commune farming
<span>1959-1961 </span>
<span>The famine triggered by the "Great Leap Forward" was one of the largest man-made disasters in human history. Estimates of the number of casualties vary greatly and are difficult, if not impossible, to verify. Conservative estimates assume that from 1958 to 1961, over 14 million people died of starvation, and the number of reported births was about 23 million fewer than under normal conditions. Other authors have estimated the number of famine-related death of up to 30 million or higher
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im pretty sure its B.
but i know its not A. or D. because those are nonrenewable
but it is possible that it is C.
Answer:
Greenhouse affect - atmosphere traps heat
Ice age - coldest phase of climate cycle
Sun's output - can vary
Greenhouse gases - atmosphere traps even more heat