Concrete Can Be Made More Durable by

question 9

Multiple Choice

Concrete can be made more durable by

• A) Increasing the amount of cement used in the mix
• B) Increasing the amount of water used in the mix
• C) Increasing the amount of fine aggregate used in the mix
• D) Reducing the amount of coarse aggregate used in the mix
• E) Reducing the number of air voids in the mix

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Definitions:

Middle-Class Volunteers

Individuals from the middle-income group who offer their service for a cause or organization without monetary compensation.

Economic Ties

The connections between countries or organizations based on trade, investment, and other financial activities.

Democratic System

A form of government in which power resides with the people, who participate directly or through elected representatives in decision-making.

Lusitania

A British ocean liner sunk by a German submarine in 1915, an event that contributed to the United States' decision to enter World War I.