Scientists infer that chemical weathering of crustal rocks is not the only source of some minerals, such as chlorine, bromine, sulfur, and boron because _______ .

Question

Quizplus · Accepted Answer

The statement says that some minerals, such as chlorine, bromine, sulfur, and boron, cannot be solely derived from chemical weathering of crustal rocks. This implies that there must be another source for these minerals. Choice A says that there are more of those minerals in the oceans than can be derived from crustal rocks alone, which supports the idea that there must be another source for these minerals. Therefore, choice A is the best answer.

Scientists Infer That Chemical Weathering of Crustal Rocks Is not