6.4-Water Resources - 2

Human reliance on water is not just for living but also for ____ and ____.

• Breathing, transportation

• Recreation, construction

• Agriculture, industry

• Communication, entertainment

The ____ is needed to produce our food, manufacture products, and carry out many chemical reactions.

• Air

• Soil

• Water

• Sunlight

The ____ affects the ecology of an area, and controls the water flow to that area.

• Water scarcity

• Water purity

• Dams

• Ocean

Humans access groundwater resources by digging wells in ____.

• Oceans

• Lakes

• Rivers

• Aquifers

If more water is removed from the aquifer, then ____ can occur.

• Water increases

• Flood

• Water scarcity / water shortage

• Groundwater recharge

With surface water, ____ can enter groundwater supplies and impact the quality of the water in a bad-way.

• Pollution

• Freshwater

• Oxygen

• Minerals

What is desalination?

• The process of removing pollutants from water

• The process of converting fresh water to salt water

• The process of distilling saltwater to make it freshwater

• The process of freezing saltwater to separate salt

Apart from providing salt, what else can oceans provide?

• Drinkable water

• Freshwater

• Minerals and fuels

What are some disadvantages of desalination?

• Plants are cheap and require little energy

• Plants are costly and require a lot of energy to distill saltwater

• Plants produce excess freshwater at a low cost

• Plants do not affect the environment