Salutations! :)
<span>What is the name of the point in the sky directly overhead?
The name of the point in the sky directly overhead is called the zenith.
Hope I helped! ;)
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<span>Accretion is a gradual buildup of layers over long periods of time. As the weight of the layers increase during the buildup, gravity also increases and the pressure upon the layers below would increase and cause heat.</span>
Answer:
1
Explanation:
The rest are wrong b/c it helped <em>expand</em> China rather than isolate it, they didn't use ships on the Silk Road, and it brought better communications, etc. between countries.
