Why is the exosphere called the outermost layer of the atmosphere?
Answer and explanation
Correct answer: Because it gradually merges into space
The exosphere is the highest recognised atmospheric layer. Its gas particles are extremely widely spaced, and the atmosphere gradually becomes indistinguishable from the surrounding outer space rather than ending at a sharp physical wall. Rainfall and abundant water vapour belong mainly to the lower atmosphere, while the exosphere is far above Earth’s surface. Therefore, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Because it gradually merges into space
Why is this the correct answer?
The exosphere is the highest recognised atmospheric layer. Its gas particles are extremely widely spaced, and the atmosphere gradually becomes indistinguishable from the surrounding outer space rather than ending at a sharp physical wall. Rainfall and abundant water vapour belong mainly to the lower atmosphere, while the exosphere is far above Earth’s surface. Therefore, option A is correct.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.