According to one of the most widely accepted theories, earth's atmosphere before origin of life was.

According to one of the most widely accepted theories, carth's atmosphere before origin of life was

According to one of the most widely accepted theories earth's atmosphere before origin of life consisted of a mixture of

According to one of the most accepted theory the earth atmosphere before any life had originated consisted of H_(2)O, H_(2), NH_(2) and

The most widely accepted theory for ascent of sap in trees is

The most widely accepted theory for ascent of sap in trees is

According to most widely accepted model of plasma membrane:-

According to most widely accepted model of plasma membrane:-