The heading informs the reader that the text will focus on a specific school.
Answer:
A simile is saying something is like something else. A metaphor is often poetically saying something is something else.
Explanation:
Can you provide the passage, as the question is based on it.
You can take "in fact" out of the sentence to help with determine what type of sentence it is because it's a prepositional phrase. This leaves us with "Only a small percentage of Southern Africa is desert" which is a simple sentence.
Because the lithosphere and the mantle have gases that turn in circles. Hope this helped :)