Hamid Spends an Hour Studying Instead of Watching TV with His

question 24

Multiple Choice

Hamid spends an hour studying instead of watching TV with his friends.The opportunity cost to him of studying is

• A)the improvement in his grades from studying for the hour.
• B)the improvement in his grades from studying minus the enjoyment of watching TV.
• C)the enjoyment he would have received if he had watched TV with his friends.
• D)zero.Since Hamid chose to study rather than to watch TV,the value of studying must have been greater to him than the value of watching TV.

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Definitions:

Seawall

A man-made structure built along coasts to prevent erosion and flooding from the sea, often made of concrete, rocks, or other durable materials.

Jetty

An engineering structure built from the shore into a body of water to redirect current or tide, for example, to protect a harbor.

Breakwater

An offshore structure (such as a wall), typically parallel to the shore, that breaks the force of the waves to protect a shoreline or harbor.

LIDAR

A remote sensing technology that uses light in the form of pulsed laser to measure ranges (variable distances) to the Earth, providing precise 3D information about the shape of the Earth and its surface characteristics.