Which four elements are make up over 80% weight of animal and plants in earth
Answers
oxygen, hydrogen, carbon, nitrogen.
oxygen, hydrogen, carbon, nitrogen are 4 elements which make up over 80% weight of animal and plants in earth.
oxygen, hydrogen, carbon, nitrogen make 96% weight of plants and animals on earth.
Oxygen is one of the most important gas on earth. Because of Oxygen, today we are alive. And there is only some proportion of Oxygen on earth. But it also makes large proportion of weight.
Hydrogen is a gas. When it is reacted with oxygen then water is formed.
Hydrogen is a chemical element with symbol H.
Nitrogen is a gas which is present in the largest proportion in earth. Nitrogen is a element with atomic number 7.
This 4 gases make earth weight of earth more than 80%. Nitrogen has largest proportion of gas in nature.