Freshwater & Saltwater

Which of these is the largest source of salt water?

• Rivers
• Lakes
• Oceans
• Streams

All of these can be sources of fresh water EXCEPT -

• rivers
• oceans
• lakes
• streams

Fresh water flows from the tops of mountains ad hills downward in moving bodies of water known as

• ponds
• oceans
• rivers
• lakes

An ocean is larger than a lake.  Another difference is that only lakes have

• small waves
• small fish
• green plants
• fresh water

What source of water covers most of the Earth's surface?

• Lakes
• Rivers
• Streams
• Oceans

A _____  and _______ are  sources  of fresh water.

• ocean and river
• ocean and pond
• pond and river