Review (8E.1.1, 8E1.2 &8E.1.3) 1

Which best describes the amount of Earth’s total water supply that is usable freshwater?

• less than 1%

• less than 25%

• greater than 50%

• greater than 75%

Which factor has the greatest effect on a community’s stores of fresh water?

• the location of the nearest ocean

• the average annual rainfall

• the location of the nearest mountain

• the average winter temperature

The graph shows the distribution of the freshwater resources of Earth. Which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater

Which type of water reservoir could always provide fresh water?

• inland lakes

• river deltas

• mountain glaciers

• tropical seas

Which of these is a freshwater reservoir?

• Gulf of Mexico

• Pacific Ocean

• Atlantic tidal basin

• Antarctic polar ice

Which is Earth’s largest source of drinkable water?

• lakes

• rivers

• oceans

• aquifers

Which of the following contains MOST of the water on Earth?

• the oceans

• watersheds

• the atmosphere

• ice and aquifers

The map shows bodies of water associated with North America.

Which of the following bodies of water shown on the map would leave a salty layer on your skin if you swam in it?

• Baffin Bay

• Lake Winnipeg

• Rio Grande River

• St. Lawrence Seaway

Which two statements in the table are true about the changing salt concentrations of ocean water?

• 1 and 3

• 1 and 4

• 2 and 3

• 2 and 4

The water cycle has no beginning or end, but it has an order. Which of the following are the MOST likely ways that water would move through the water cycle?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 1