In nature there is an interdependence between plants and animals for food, oxygen and carbon dioxide. Which of the following conclusions is true about the given statement?

Some day all the oxygen will be used up by the animals.

Some day all the carbon dioxide will be used up by the plants.

The amount of oxygen is increasing and that of carbon dioxide is decreasing in our atmosphere.

The level of oxygen and carbon dioxide in the atmosphere is kept constant.

In nature there is an interdependence between plants and animals for f

1.	In nature there is an interdependence between plants and animals for food, oxygen and carbon dioxide. Which of the following conclusions is true about the given statement?
A.	Some day all the oxygen will be used up by the animals.
B.	Some day all the carbon dioxide will be used up by the plants.
C.	The amount of oxygen is increasing and that of carbon dioxide is decreasing in our atmosphere.
D.	The level of oxygen and carbon dioxide in the atmosphere is kept constant.
Answer» E.