What Is the Main Function of the Ozone Layer

question 36

Multiple Choice

What is the main function of the ozone layer?

• A) to provide cloud cover for protection of polar regions
• B) to provide a source of oxygen for photosynthesis
• C) to filter toxins from acid rain
• D) to block most of the sun's damaging rays from reaching Earth
• E) to trap carbon dioxide and warm the planet

---

Definitions:

Population Mean

The mean of every number within a group.

Confidence Interval

A pool of values, from the statistical study of samples, presumed to envelop the covert figure of a population characteristic.

Container Control Bill

Legislation aimed at regulating the management, tracking, and security of containers in shipping and transportation.

Confidence Interval

An aggregation of values, through the analysis of sample data, projected to enclose the secret value of a population trait.