Answer:
It was the ancient Greeks who first developed the passive solar concepts that the Romans adopted, but the Romans used their engineering and design skills to improve the technique. Passive-solar buildings are built based on the orientation of the sun's path and use the sun's rays to heat the interiors.
Answer:
a. gold coins
Explanation:
Marco Polo was impressed by the paper money, coal burning and gunpowder in China. But, gold coins are not new to him.
Answer:
I think C
Explanation:
The question seems like another i have dealt with and C was correct if C had been the same as this
I believe it was C) the reformation!
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I dont under stand please exsplain more