In Interstellar Space,millions of Ice-Encrusted Dust Particles Contain Simple Carbon-Containing

question 28

Multiple Choice

In interstellar space,millions of ice-encrusted dust particles contain simple carbon-containing compounds.When particles like these are exposed to solar radiation,more complex organic molecules form on the surfaces of the dust.What is the significance of these findings?

• A)Chemical evolution occurs only in outer space and was not possible on Earth.
• B)Life began in outer space.
• C)Life exists in outer space.
• D)Chemical evolution can occur in outer space.

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Definitions:

Reseal Coke Bottles

The act or technology that allows carbonated drink, like Coca-Cola, bottles to be tightly closed after opening to maintain carbonation and prevent spillage.

Greenhouse Gas

Gases in Earth's atmosphere that trap heat, such as carbon dioxide, methane, and water vapor, contributing to the greenhouse effect.

Carbon Dioxide

A transparent, unscented gas formed by the burning of organic substances and carbon, also released during breathing, and absorbed by plants in the photosynthesis process.

Earth's Atmosphere

The layer of gases surrounding Earth, retained by the planet's gravity, composed primarily of nitrogen and oxygen, and protecting life by absorbing ultraviolet solar radiation and reducing temperature extremes.