___________ begins at 690 to 1,000 km from the surface, and extends to roughly 10,000 km....? Mcqs

___________ begins at 690 to 1,000 km from the surface, and extends to roughly 10,000 km....?

(A) Troposphere

(B) Mesosphere

(C) Exosphere

(D) Stratosphere

Source: This question is taken from the Everyday Science