The Inhabitants of a Planet in Another Galaxy Have Their

question 42

Multiple Choice

The inhabitants of a planet in another galaxy have their eyes at the exact center of their 4.0-m long bodies. How long must a plane mirror be for such a creature to be able to see all of its body in the mirror?

• A) 1.0 m
• B) 2.0 m
• C) 2.5 m
• D) 4.0 m
• E) 8.0 m

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Definitions:

Nonrenewable Resource

Natural resources such as coal, oil, and natural gas that cannot be replenished within a human lifetime once consumed.

Mining Firm

A company involved in the extraction of minerals, ores, and other geological materials from the earth.

Renewable Resource

A natural resource that can be replenished at the same rate or faster than it is consumed, such as solar energy, wind, or timber.

Harvesting

The process of gathering mature crops from the fields or collecting the elements of a crop, such as grains, fruits, or vegetables.