1) Seawater is also called hard water. a) TRUE b) FALSE 2) Seawater is also called hard water. a) TRUE b) FALSE 3) Which of the different sources of water has plenty of salt? a) sea water b) fresh water 4) What source of water does not contain salt and comes mostly from rain? a) fresh water b) ground water 5) Freshwater comes from water that seeps into the ground. a) TRUE b) FALSE 6) What is a safe source of drinking water? It is considered the cleanest and it contains plenty of dissolved minerals which the human body needs. a) sea water b) groundwater

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