Answer:
A scientific law is a statement based on repeated experimental observations that describes some aspect of the universe
Explanation:
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"Diem began policies that were oppressive to Buddhists" is the one among the following choices given in the question that <span>caused protests in South Vietnam during the presidency of Ngo Dinh Diem. The correct option among all the options that are given in the question is the second option or option "B".</span>
Because the organism is distributed across the world, and isn't seen anymore, scientists can conclude tat they must have evolved. They can compare one species to the fossils they may have found, and determine that they were related. Then by looking at the species on another part of the world compare the same fossils to other animals and determine that they are similar, sharing a common ancestor.
Precambrian was when all life just started and lived in the ocean. They help us breathe oxygen making the species today live their life. I belive this the answer.
A Stingray could be an example. A shark could also be an example of a cartilaginous fish. It means any fish with cartilage.
