(A) : Microbes are very important component of life on Earth.
(R) : All microbes are pathogenic.

Assertion:Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. Reason: Microbes causea large number of diseases in humans, plants and animals.

A very important component of ceramics, glass and cement is

Microbes have survived in the earth over___

Photosynthesis is an important biological process for life on earth because