Front

A mixture of water, air, bits of rocks and humus is known as _____________.

Back

soil

Front

True or False? Compost does not add nutrients to the soil.

Back

False

Front

Why isn't plastic a natural resource?

Back

It is not found in nature.

Front

To _____________ means to save or protect the natural environment.

Back

conserve

Front

The three types of rocks are _________________________________ .

Back

igneous, sedimentary, and metamorphic.

Front

What is humus?

Back

Humus is the dark organic material in soil, formed from decayed plant and animal matter.

Front

What are natural resources?

Back

Natural resources are materials or substances that occur in nature and can be used for economic gain.

Front

Give an example of a renewable resource.

Back

Sunlight is an example of a renewable resource.

Front

What is the process of composting?

Back

Composting is the process of recycling organic waste into a rich soil amendment.

Front

What is conservation?

Back

Conservation is the careful use of resources to prevent their depletion.