Deserts are a natural barrier between regions, they are difficult to travel through safely due to harsh conditions. Transport of goods and people is more costly and more difficult.
Answer:
True
Explanation:
The prime meridian is the line of 0° longitude, the starting point for measuring distance both east and west around the Earth. The prime meridian is arbitrary, meaning it could be chosen to be anywhere.
Biochemical limestone is when the calcium carbonate is locked into the fossil shells and skeletons of marine organisms.
But chemical limestone is when the calcium carbonate is in the form of calcite mineral crystals.
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