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1. This source of water is also called as hard water

a. seawater
b. surface water
c. spring
d. groundwater

2. Which of these sources of water contains of dissolved plenty minerals that the human needs?

a. groundwater
b. surface water
c. hard water
d. rain

3. What is temperature?

a. When the wind makes it feEl colder than it really is
b. how hot or cold something is
c. the air temperature outside
d. The glass tube that measures how hot or cold it is