Metal Pipes, Used to Carry Water, Sometimes Burst in the Winter

question 7

Multiple Choice

Metal pipes, used to carry water, sometimes burst in the winter because:

• A)metal contracts more than water
• B)outside of the pipe contracts more than the inside
• C)metal becomes brittle when cold
• D)ice expands when it melts
• E)water expands when it freezes

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Definitions:

MPC (Marginal Propensity To Consume)

The proportion of additional income that an individual consumes rather than saving.

MPC (Marginal Propensity To Consume)

The ratio of the change in consumption to the change in income, indicating how income changes affect spending.

Multiplier

An economic factor that quantifies the effect of investment on income, showing how much economic activity is generated by a given increase in spending.

Budget Act

Legislation that governs the budgetary process of a government, setting forth the procedures for proposing, reviewing, and implementing a budget.