A Lack of Ozone Is Dangerous Because Ozone

question 23

Multiple Choice

A lack of ozone is dangerous because ozone:

• A)is a reserve for oxygen that we breathe
• B)cools the Earth
• C)filters out dangerous ultraviolet rays
• D)triggers the development of clouds

---

Definitions:

Molecular Features

The specific structural attributes of a molecule, including shape, functional groups, and bonding patterns.

Phospholipid

A type of lipid molecule that is a major component of cell membranes, consisting of two fatty acids, a phosphate group, and a glycerol backbone.

Hydrocarbon Tails

Long, nonpolar chains of carbon and hydrogen atoms, characteristic of lipids, contributing to their hydrophobic properties.

Hard Water

Water that contains high levels of calcium and magnesium ions, which can reduce the effectiveness of soap and leave deposits.