Questions

The ozone layer is a region of Earth's Stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.

The Atmosphere is divided into 4 layers according to major changes in temperature. They are :

1. Troposphere,

2. Stratosphere,

3. Mesosphere  and

4. Thermosphere.

The farther away from earth, the thinner the atmosphere gets.

Drowsiness is the state of feeling sleepyness and tired in the day time. It affects our senses especially the sense of vision.

Entrepreneurship as a theory of business was propounded by Joseph. A. Schumpeter.

Schumpeter’s Innovation Theory of Profit :

Definition:  The Innovation Theory of Profit was proposed by Joseph. A. Schumpeter, who believed that an entrepreneur can earn economic profits by introducing successful innovations.

The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food.

The Coconut tree