Soil

True

False

True

It provides them with nutrients It provides them with water It provides them with a medium for growth

Grassland

increase in chemical weathering

differences in climate where the soils are formed differences in plant and animal life in different locations differences in the layout of the land

precipitation time erosion

solids, liquids, and gases

increased precipitation warmer temperatures increased winds

parent rock

R

by decaying organisims

None: organic material, minerals, gases

False

True

improved soil structure

False

True

soil acidity amount of organic matter nutrient levels

using a color reference chart

Minerals in the soil can eventually be used for plant growth and production

True

the measure of the acidity or alkalinity of soil

true

None of the above: soil acidity, amount of organic matter, nutrient levels

Microorganisms increase the production of humus, which leads to an increase in soil health

are critical to soil health carry out decomposition make nutrients available to plants

all of the above

increased porosity

horizonation

soil reaction