Given below are four jumbled sentences. Out of the given options pick the one that gives their correct order.

A. It is called the atmosphere.
B. All parts of the earth are surrounded by air.
C. Living beings breathe in and breathe out the air all the time.
D. This process is called respiration.

BACD

The correct answer is Option (1) → BACD

B. All parts of the earth are surrounded by air.
A. It is called the atmosphere.
C. Living beings breathe in and breathe out the air all the time.
D. This process is called respiration.