Mark and Charles Are Roommates at College

question 5

Multiple Choice

Mark and Charles are roommates at college. Each has written a 25-page term paper for the same English class. They are equally poor typists. Charles types his own paper and gets paid by Mark to type his, too. On the basis of the information given, which one of the following must be true?

• A) Mark's total utility from typing is higher than Charles's total utility from typing.
• B) Charles needs more time to study than Mark.
• C) Charles hates typing.
• D) Mark and Charles have different utilities for typing but place the same value on time.
• E) Mark's opportunity cost of typing is higher than Charles's.

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Definitions:

Chlorophyll

A pigment found in plants and algae that absorbs sunlight for photosynthesis, giving them their green color.

Denitrification

The microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen, such as nitrogen gas, effectively removing nitrogen from ecosystems.

Gaseous Nitrogen

Nitrogen in its gaseous state, making up about 78% of the Earth's atmosphere and serving as a critical element for life.

Root Nodules

Swollen lumps on roots of certain leguminous plants containing symbiotic nitrogen-fixing bacteria, crucial for converting atmospheric nitrogen into a form plants can use.