Answer:
The African Plate rotates counterclockwise while the Arabian Plate moves roughly northward. As they move apart, faults form in the graben and pieces of crust sink into the mantle. About 3 million years ago, water filled the graben, forming the Dead Sea, which was then part of a long bay of the Mediterranean Sea.
Explanation:
Answer: The correct answer is- A.Gene Pool.
Gene pool can be described as the collection /set of all the genes that are present withing a particular population of interbreeding individuals.
In other words, it includes all the variants of a gene (also called allele, such as dominant and recessive allele) present in a population. Gene pool is generally related to a population of around a specific species.
Thus, option A) is the right answer.
D is the answer. Mutations can cause MANY problems.