What Proportion of the Solar Radiation That Reaches Earthʹs Surface

question 85

Multiple Choice

What proportion of the solar radiation that reaches Earthʹs surface is visible light?

• A) About 90% of it is visible light.
• B) A small fraction is visible light.
• C) It is captured by plants and used in photosynthesis.
• D) Most of the radiation is absorbed by rocks on Earthʹs crust.
• E) About half is visible light.

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Definitions:

Running Mates

The candidate for the secondary position (typically for vice president) chosen by the primary candidate (typically for president) in American elections.

Proportion of Votes

The percentage of total votes cast that is received by a candidate, party, or proposition in an election.

Critical Elections

Pivotal elections that signal significant changes in political alignments, leading to the emergence of new and lasting political coalitions.

Oscillations

Repetitive variations, typically in time, of some measure about a central value or between two or more different states.