Which of the Following Is the Best Explanation of Why

question 31

Multiple Choice

Which of the following is the best explanation of why it is difficult to discriminate the color of an object at night?

• A) Rods contain a single kind of visual pigment.
• B) Cones come in three types, each sensitive to different wavelengths of light.
• C) The foveae are densely packed with cones.
• D) As many as 100 cones may converge on one ganglion cell.

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Definitions:

Trade Surplus

A situation where the value of a country's exports exceeds the value of its imports, indicating a positive balance of trade.

Exports

Goods or services produced in one country and sold to buyers in another, contributing to the exporting country's GDP.

Imports

Goods and services bought by a country from foreign markets.

Trade Surplus

A situation where a country's exports exceed its imports for a given period, leading to a positive balance of trade.