Ozone in the Outer Layer of the Atmosphere Has Important

question 5

Multiple Choice

Ozone in the outer layer of the atmosphere has important consequences for living things in that it:

• A)is a pollutant.
• B)is involved directly in respiration.
• C)aids in the aggregation of molecules.
• D)absorbs ultraviolet rays from sunlight.
• E)is used by autotrophs to make sugars.

---

Definitions:

Vitamin A

A fat-soluble vitamin important for normal vision, immune function, and reproduction.

Bones

The hard, dense organs that form the framework of the human body, essential for movement, protection of internal organs, and storage of minerals.

Teeth

Hard, calcified structures in the mouth used for biting and chewing food, also playing a role in speech.

Water-Soluble

Capable of dissolving in water, often referring to substances that can be easily absorbed or metabolized by the body or the environment.