Together,these three natural elements make up 99% of the Earth's biomass.
A)oxygen (O),argon (Ar),and helium (He)
B)hydrogen (H),helium (He),and oxygen
C)hydrogen (H),oxygen (O),and carbon (C)
D)carbon (C),nitrogen,and helium (He)
E)hydrogen (H),nitrogen (N),and helium (He)

Question

Quizplus · Accepted Answer

Biomass refers to the total mass of all living organisms on Earth. The primary components of living organisms are organic compounds such as carbohydrates, proteins, nucleic acids, and fats, which are made up of carbon, hydrogen, and oxygen. Therefore, the three natural elements that make up 99% of the Earth's biomass are hydrogen, oxygen, and carbon.

Together,these Three Natural Elements Make Up 99% of the Earth's