Expansion of Solids, Liquids, and Gases

question 1 of 1 Grade: Eleven - G11

Q: True or False: Most substances expand when heated.

Did You Know?

TRUE. In presidential systems like Zambia's, the president serves dual roles as head of state (symbolic leader representing the nation) and head of government (executive leader running the administration). This contrasts with parliamentary systems where these roles are separate - a monarch or president serves as head of state while a prime minister acts as head of government. This concentration of roles gives presidential systems strong executive leadership but requires robust checks and balances.

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