A Fresh Future

Front

Over harvesting is ________________.

Back

overuse

Front

________ can harm animals.

Back

pollution

Front

______ reduce fresh water.

Back

Dams

Front

Some people are doing _____ they can to protect the hydrosphere.

Back

everything

Front

Some humans in the _____ do pollute and over harvest our freshwater.

Back

biosphere

Front

What is the hydrosphere?

Back

The hydrosphere includes all the water on Earth, including oceans, rivers, lakes, and groundwater.

Front

What is pollution?

Back

Pollution is the introduction of harmful substances into the environment.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists.

Front

What are dams used for?

Back

Dams are used to store water, generate electricity, and control flooding.

Front

How does overuse of resources affect the environment?

Back

Overuse can lead to depletion of resources and harm ecosystems.