Answer:
I believe the answer to this question would just be gravity
This is True because both saltwater and freshwater have natural carbon dioxide.
Answer: Rome fell through a gradual process because poor economic policies led to a weakened military which allowed the barbarians easy access to the empire. In the third century, Rome's emperors embraced harmful economic policies which led to Rome's decline. First, the limitation of gold and silver resources led to inflation.
Explanation:
It depends on the latitude where you measure it.
It's about 69 miles on the equator, and it shrinks to zero at the poles.
In general, at any latitude,
Distance covered by 1 degree of longitude =
<em> (69 miles) x [ cosine(latitude where it's measured) ]</em>
