Soil

Front

What is humus?

Back

The decayed remains of plants and animals.

Front

The horizon soil that has less humus and particles that make up clay

Back

The B horizon

Front

Crops with shallow roots don't grow well in _____________

Back

The forest soil

Front

___________ means having to do with or coming from living things

Back

organic

Front

Soil in _____________ has thin layer of topsoil with little humus

Back

forest

Front

A mixture of minerals, bits or rocks, and pieces of once-living parts of plants and animals is ____________

Back

soil

Front

Where do most plant roots grow?

Back

top soil

Front

Each layer of soil is called _________.

Back

soil horizon

Front

The _________ is the soil layer that is made of mostly larger pieces of rocks called bedrocks.

Back

C horizon

Front

_________ is the addition of harmful materials to soil, water, or air

Back

pollution