a difficult or dangerous situation that needs serious focus
A person who tells you what is wrong
Water covers what percent of the earth’s surface?
80%
90%
70%
Population is…
A beverage
number of people living in a country, city, or area
A math solution
Can clean water be taken from polluted air?
No
Yes
What is the name of the method of filtering pure water molecules out of salt water or polluted water by forcing the water through a semipermeable membrane?
Reverse Osmosis
evaporation
condensation
What is condensation?
process of changing from a liquid to a gas
process of changing from a gas to a liquid
process of changing from a solid to a gas
What are impurities?
The same substance
A mixture of liquids
tiny bits of a different substance
What is the definition of disease?
Condition that makes you unhealthy
A natural event like an earthquake
Condition that makes you healthy
The United Arab Emirates have a huge project planned to get water from what source?
groundwater
air
Icebergs
Can we get water from the air?
Yes
No
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