Answer:
Silk Road
Explanation:
Europeans were interested in trading there and buying silk as it was a luxurious item then, and they could also profit on the route.
So many people were getting killed and they were running out of resources.
Answer:
Both are only physical changes.
Explanation:
The green stuff is cupric chloride, a byproduct of corrosion of the valve body or possible copper leachate in the water. Either way, it's typical of water leakage where the water is of low pH. Boiling sugar to make caramel is the same as eating sugar, just in a different form.
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Answer:
The 2016 average of 18.6 births per 1,000 total population equates to approximately 4.3 births per second or about 256 births per minute for the world.
Explanation:
