Write the Correct Meaning for HPV

question 32

Short Answer

Write the correct meaning for HPV:

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Definitions:

Nitrogen Oxides

Refers to a group of gases composed of nitrogen and oxygen, such as NO and NO2, which are significant environmental pollutants.

Combustion

A chemical reaction that occurs when a substance reacts with oxygen to release energy in the form of heat and light, often resulting in fire.

Endangered Species

Species that faces extinction in all or a part of its range.

Threatened Species

Species likely to become endangered in the near future.