A Substance Can Be Sprayed on Crops to Prevent Frost

question 23

Multiple Choice

A substance can be sprayed on crops to prevent frost formation under many conditions.If frost did not form on the fields and woods of an entire continent,cold nights would be

• A)less cold.
• B)even colder.
• C)no different.

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Definitions:

X-Shaped Structure

An entity characterized by its cross or X-like configuration, often found in anatomy, architecture, and various branches of science and engineering.

Posterior Chamber

A fluid-filled space behind the iris but in front of the lens in the eye, playing a role in the eye's focusing mechanism.

Lens

A piece of transparent material, typically glass or plastic, shaped to focus or redirect light rays, used in glasses, cameras, and other optical devices.

Retina

The light-sensitive layer of tissue at the back of the eye that converts light images into electrical signals sent to the brain.