Thin Strips of Iron and Zinc Are Riveted Together to Form

question 57

Multiple Choice

Thin strips of iron and zinc are riveted together to form a bimetallic strip which bends when heated.The iron is on the inside of the bend because:

• A)it has a higher coefficient of linear expansion
• B)it has a lower coefficient of linear expansion
• C)it has a higher specific heat
• D)it has a lower specific heat
• E)it conducts heat better

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Definitions:

Rich Nations

Countries with high levels of wealth, income, and economic productivity per capita.

Population Growth

The increase in the number of individuals in a population, often considered for a specific area and time period.

Food Supply

The total amount of food available for consumption by a population, affecting nutritional status and food security.

Thomas Malthus

An English scholar known for his theories on population growth and its impacts on resources.