substance can exist as :, solid only , liquids only, gas only , all of them, the air around us is a mixture of gases , True, False, Solids have fixed shape and volume , True, False, Liquid's particles are packed very close together , True, False, Gases have no fixed volume or shape , True, False, what is the state of the water in the picture?, solid, liquid, gas, what is the state of water in this picture?, solid, liquid, gas, which organism uses the nitrogen gas, humans, animals, becteria, what gas do plants need to make their food, oxygen, carbon dioxid, nitrogen.

grade 4

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