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.
Answer:
Currents Tutorial
Explanation:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect.
<span>
The distance between the Sun and Saturn is about 6.3 times
the distance between the Sun and <em>Mars</em>.
</span>
I think it is a drought but i dont know
