test 5

Why is the earth called the water planet

• Nearly 1/4 of the earth is made up of water

• Nearly 2/4 of the earth is made up of water

• Nearly 3/4 of the earth is made up of water

• Nearly 1/4 of the earth is made up of water

what percent of water is useable to human

• less than 7% of water on Earth is useable to humans

• less than 1% of water on Earth is useable to humans

• less than 5% of water on Earth is useable to human

• less than 10% of water on Earth is useable to human

What 5 forms is water found in

Is there more freshwater above ground or below ground

• above

• below

What is water important for living things?

• It allows them to grow, reproduce and carry out other important processes such as photosynthesis

• it allows them to only grow

• keeps the living things healthy

What are tributaries

• main streams and rivers the feed into smaller rivers due to the pull of gravity

• bigger streams and rivers the feed into the main river due to the pull of gravity

• smaller streams and rivers the feed into the main river due to the pull of gravity

what is a river system?

• a river and all its tributaries

• a watershed

• a lake that stores water for human use

what is a watershed?

• land area that supplies water to a river system

• smaller streams and river that feed into the main river due to the pull of gravity

• a river and all its tributaries

• the continental divide

What watershed do we live in?

• The Delaware River Watershed

• The susquehanna River Watershed

• The Potomic River Watershed

• The Genesee River Watershed

What is the largest watershed in PA

• The Delaward River Watershed

• The Potomic River Watershed

• The Susquehanna River Watershed

• The Chesapeake Bay Watershed