Attempt giving a clear definition of the term species.

Who coined the term species?

Give definition of polarisation.

Define the following terms Species

Give an example of characteristic being used to determine how close two species are in evolutionary terms?

The term 'Health' is defined in many ways. The most accurate definition of the health would be:

Give qualitative definition of pressure on the basis of kinetic theory of gases.

What do you mean by electric energy ? Give the definition of its unit.