Weegy: After chlorofluorocarbons were banned, hydrofluorocarbons class of chemicals was used in their place.
User: which process refers to the separation of earth into the core, mantle, and crust
Weegy: Planetary differentiation is the process that refers to the separation of Earth into the core, mantle, and crust.
User: what kind of compounds do animals release into the ground when they decompose
Weegy: Animals release carbon compounds into the ground when they decompose.
User: how does sea floor spreading relate to supercontinents
Weegy: It leads to the new formation of tectonic crust under the water that either pushes continents together or pulls them apart. -is how seafloor spreading relates to supercontinents.
User: which type of coal has the greatest energy protentional
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