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What do these two changes have in common?
What do these two changes have in common?
ice crystals forming on a window
using a large magnet to remove pieces of iron from a junkyard
Select all that apply.
Both are changes of state.
Both conserve mass.
Both are only physical changes.
Both are chemical changes.
ice crystals forming on a window
using a large magnet to remove pieces of iron from a junkyard
Select all that apply.
Both are changes of state.
Both conserve mass.
Both are only physical changes.
Both are chemical changes.