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

question 78

Multiple Choice

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)

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Definitions:

Dactyl/o

refers to a word root indicating fingers, toes, or digits.

Cytoplasm

The material or protoplasm within a living cell, excluding the nucleus, containing various organelles where cellular processes occur.

Nuclear Membrane

The double-layered membrane that encloses a cell's nucleus, controlling the passage of materials in and out.

Element

A pure substance consisting of only one type of atom, distinguished by its atomic number.