Soils / Mining
What soil horizon is subsoil
What is the B horizon
What environmental impact is possible with clear cut logging
What is erosion (soil)
These two row crops are dominant in agriculture in Illinois.
What are corn or soybeans
What atmospheric layer contains the ozone layer
What is the stratosphere
Long term (30+ years) evaluation of temperatures and precipitation
What is climate
What horizon is regolith or partially broken down parent material
What is C horizon
This logging method removes all timber
What is clear-cut logging
What is it called to add water to a crop - spray, drip, or flood.
What is irrigation
What atmospheric layer contains most of the weather
What is the troposphere
Variety of living organisms in an ecosystem
What is biodiversity?
What mineral element binds tightly to water and nutrients and is very small
What is clay
Forestry generally produces trees for what two uses
What are pulp (paper) or lumber
Oil & gasoline are critical to modern agriculture - True or False
What is true
Which element is most common in air in the atmosphere
What is nitrogen
An organism's "home" in an ecosystem
What is Habitat
What mineral element of soil has high porosity but poor binding to water and nutrients
What is sand
What is more common - "wild" pearls or ones cultured in aquaculture
What are cultured pearls
This material removes weeds from a crop field
What is an herbicide
The troposphere is 0-12 KM above the earth's surface; this layer of the atmospher is 12-50 KM above the earth.
What is stratosphere
This process by green plants produces sugar & oxygen
This method of mining causes extensive surface disturbance and is often used for aggregate (rock, gravel)
What is open-pit mining
These trees are most commonly grown for lumber
What are pine.
This production animal for meat uses more feed, water, and space than any other.
What is beef cattle
Decreasing temperature with altitude is characteristic of which atmospheric layer
What is the troposphere
Change in populations over time as result of differential reproduction
What is evolution
This type of mining involves working in water from a barge
What is dredging
This logging method preserves forest structure and habitat
What is selective-cut logging
This is where an animal goes to fatten up on grain before harvesting
What is a feedlot
This layer in the atmosphere blocks much of the UV light coming from the sun
What is the ozone layer
This is a group of populations, in a specific area, interacting.
What is a community