Chemistry, 26.08.2019 12:00 nolangriffin

The solid form of a substance is usually more dense than its liquid and gaseous forms. similarly the liquid form is usually more dense than the gaseous form. which of these breaks this general density rule?
a. ice floating in a glass of water
b. vapor rising from a hot cup of tea
c. cooled magma sinking in a lava flow
d. a hot air balloon falling as the gas inside cools

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