5th Week 23 TEST

How do trees help our planet?

• Holds soil on place

• it washes away the soil

• makes the Sun cooler

Trees are sometimes the lungs of the Earth.

• True

• False

Cutting large areas of trees down can cause problems for the Earth.

• True

• Flase

Cutting trees down in mass.

• watershed

• deforestation

• outlet

According to the graph on page 3, what country was deforestation taking at the fastest pace?

• Bolivia

• Peru

• Columbia

A particular region of land where water drains into a common outlet.

• deforestation

• watershed

• outlet

Pollution can soak into groundwater.

• True

• False

This is one of the biggest polluters of the ocean.

• humans

• animals

• water runoff

This is one way you can protect your watershed.

• wash with a lot of soap

• overwatering

• don't pour chemicals down the drain.

Oceans cover this much of the Earth.

• 25%

• 50%

• 75%