The correct answer is letter D. an economy based on trade. The people who migrated to Melanesia developed <span>an economy based on trade. Before the time of currency was used, people back then do trading with their property they own if they want to have something. It's like the same as the barter system or the barter economy.</span>
High humidity is the correct answer
<span>Gypsum originated 200 million years
ago as a result of marine deposits when part of what are now our continents
were immense oceanic extensions. During this period some seas were dried
leaving plaster beds that were covered to be discovered later by man. Since the
time of memory plaster has coexisted with humanity and constitutes one of the
oldest building materials.</span>
Answer:
I think the answer would be 1.45
Explanation:
Answer:
the locations where two tectonic plates interact
