The Atmosphere of the Early Earth Is Currently Thought to Have

question 33

Multiple Choice

The atmosphere of the early Earth is currently thought to have contained:

• A) carbon dioxide, water, oxygen, nitrogen, and hydrogen.
• B) carbon dioxide, water, carbon monoxide, hydrogen, and nitrogen.
• C) carbon dioxide, carbon monoxide, water, hydrogen, and nitric oxide.
• D) carbon dioxide, ozone, nitric oxide, water, and hydrogen sulfide.
• E) methane, water, ammonia, nitrogen, and oxygen.

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Definitions:

Subtractive Colour Mixing

The process of creating color by mixing pigments or inks, which absorb (subtract) some wavelengths of light and reflect others, used in painting and printing.

Opponent Process Theories

A group of theories, often applied to color vision and emotional responses, suggesting that elements are paired in a system where the activation of one element inhibits the activity of the opposite element.

Trichromatic Theory

A theory of color vision proposing that the human eye perceives color through the relative rates of response by three types of cones, each sensitive to different wavelengths of light.

Afterimage

A visual image or illusion that continues to appear in one's vision after the exposure to the original image has ceased.