When land has been overfarmed or overgrazed, <span>desertification </span>occurs.
Based on the fact that this is a compound predicate, the way it is written which is "Miguel dove off the diving board and swam across the pool" is correct.
<h3>Should there be commas in compound predicates?</h3>
Compound predicates should only have commas when there are three or more predicates in the sentence.
The sentence, "Miguel dove off the diving board and swam across the pool" does not have three or more predicates which is why there is no need for a comma which means that it is well written.
Find out more on compound predicates at brainly.com/question/2011265
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To find the mid point,here's the formula:

In this case:
((5+1)/2,(5+2)/2)
=(6/2,7/2)
=(3,3.5) or (3,7/2)
Therefore the answer is (3,3.5) or (3,7/2).
Hope it helps!