The troposphere is the lowest layer of Earth's atmosphere, it extends from ground level to an altitude of seven to ten miles.
The correct punctuation between two independent clauses is a semicolon. Choice A is wrong because it creates a comma splice. Choice C creates a sentence fragment. Choices B and D create faulty subordination.
940 MCQ for effective preparation of the test of Punctuation of English Grammar section.
Read the MCQ statement: The troposphere is the lowest layer of Earth's atmosphere, it extends from ground level to an altitude of seven to ten miles. , keenly and apply the method you have learn through the video lessons for Punctuation to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 242-4521.