Question

please answer the question​

Answer 1

Answer:

1 =c ,

Explanation:

1. we use oxygen for breathing
2. 4= e

Answer 2

Answer:

1-c oxygen-all living beings inhale during respiration....

2-d copper-for making electric wires

3-a sulphur-for making crackers

4-e iron-for making rails

5-b chlorine-for disinfecting water