Four Elements, Including ____, Make Up More Than 96% of the Mass

question 82

Multiple Choice

Four elements, including ____, make up more than 96% of the mass of most living organisms.

• A)sodium
• B)potassium
• C)phosphorus
• D)nitrogen
• E)calcium

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Definitions:

Sterilants

Chemical or physical agents used to destroy or eliminate all forms of microbial life, including spores.

Biodegradable

Capable of being decomposed by bacteria or other living organisms, thus avoiding pollution.

Odourless

Lacking a detectable smell, characteristic of certain substances or conditions where no odor is perceptible.

Corrosive

Materials or substances that have the ability to destroy or damage other materials through a chemical reaction.