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Categorize the style of rule under each type of government
Democracy
USSR
Monarchy

leaders inherit power
representative rule
single-party state
rule by king or queen
freedoms and liberties
controlled economy

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

The time that is taken by neptune once around the sun is called

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.