A explanation because i just took the test
<span>A.The Sahara was a savanna
Northern Africa was a place of trees, grasslands, lakes and people. Today, it is the Sahara — a desolate area larger area than Australia.
Lake Yoa, in northeastern Chad, has remained a lake through the millennia and is still a lake today, surrounded by hot desert. Although little rain falls, Lake Yoa’s water is replenished from an underground aquifer.
By analyzing thousands of layers sediment in a core drilled from the bottom of this lake, an international team of scientists has reconstructed the region’s climate as the savanna changed to Sahara.</span>
Answer:
maintain their structures and respond to environments.
Explanation:
He would likely discover that his current IQ score has not changed and <span>is similar to that of his previous score which was 110.
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The IQ test comprises of various assignments measuring different measures of insight including memory, explanatory considering, scientific capacity and spatial acknowledgment. Like all IQ tests it doesn't endeavor to gauge the quantity of data you have learned but instead your ability to learn.
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C) From deciphering the writing they left behind