"The vegetation must be able to adapt to unreliable precipitation and excessive heat" is the one interesting feature of the vegetation among the following choices given in the question that is <span>found in the Sahara Desert. The correct option among all the options that are given in the question is the second option or option "B".</span>
Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
A mountain is a single standing one such a Mount Fuji. A mountain range is a chain of mountains such as the Himalayas