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What do these two changes have in common?
What do these two changes have in common?
mixing sand and water
dew appearing on grass in the morning
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.
mixing sand and water
dew appearing on grass in the morning
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.