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Ancient Egypt was an early ____________.
The emperor ruled the ______.
The car needed a lot of _____ to get up the steep hill.
During ___________ a seed absorbs water from the soil.
_______ can attract certain metals like iron and steel, but they don t work on wood or plastic.
The tree needs _________ from the soil to survive.
I cannot see through the glass because it is ______.
Bees carry pollen grains from one flower to another during ___________.
Glass is a ___________ material.