What Are Cosmic Rays

question 109

Multiple Choice

What are cosmic rays?

• A)lasers used as weapons by extraterrestrials
• B)another name for gamma rays and X- rays
• C)subatomic particles that travel close the speed of light
• D)fast- moving dust particles in the interstellar medium
• E)the highest- energy form of light

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Definitions:

Prostaglandins

A group of bioactive lipid compounds having diverse hormone-like effects in animals.

Carbohydrates

Organic compounds made of carbon, hydrogen, and oxygen that serve as a major energy source for the body.

Polysaccharides

Large, complex carbohydrate molecules composed of many monosaccharide units joined together.

Monosaccharides

Simple sugars that are the most basic form of carbohydrates, such as glucose and fructose, which cannot be hydrolyzed into simpler sugars.