Question

Q. 3).) Fill in the blanks.
1. There is ...........
..................... even in an empty container.
2. The air at a greater height from the earth is .......... than the air nearer to the earth.
3. If all the air were divided into five parts, the oxygen in the air would equal part.
***​

Answer 1

Answer:

1;air

2;lower

3;nitrogen.