A gravel covered plain is called a Reg. A reg is a desert basin where the sand has been blown away leaving a gravel covered plain.
B is the best answer.
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Answer:
Hot air rises over the Indian subcontinent
Explanation:
The first atmospheric condition established in the tradition theory of monsoon formation is hot air rising over the Indian subcontinent to replace cool air rising over the sea.
The answer is True.
Many people doubt it because it's just sound too fictional.
Ring of fire located in the basin of pacific ocean, a large number of earthquake and volcano eruptions happen here.
The island arc is a string of islands formed by volcanoes along deep ocean trench.
Hope it helps