Unit 3- Natural Resources
The interconnection of all the food chains in an ecosystem is best called a:
Food web
When rill erosion is uncontrolled, the main result is:
Gully erosion
A catalytic converter on a car and a scrubber used on a smokestack:
controls emissions
The largest soil particles are:
sand
Overpopulation can lead to the lack of proper nutrients, which is best described as:
malnourishment
The act of controlling wild plant and animal species for the benefit of humans is called:
Domestication
When small channels form on sloping land where running water from precipitation has washed soil away, it is best called:
Rill erosion
Small pieces of material in the air similar to dust and liquid droplets are best known as:
particulate matter
The soil horizon with the most organic matter is the:
A Horizon
Demography can best be defined as the science of
human population
An inorganic substance needed for maintenance, growth, reproduction, and other body functions is called a:
Mineral
When topsoil is removed at an excessive rate, usually caused by humans, it is best called:
accelerated erosion
The major effect of air pollution on the climate has been:
the greenhouse effect
A natural resource that is colorless and transparent is:
water
When Nick was trying to determine how much fertilizer to use on his fields, he asked the county agriculture agent and was told that he should:
perform a plant tissue analysis
A natural resource that can be replaced when it is used up is called
Renewable
Of all the types of erosion, which form is the major cause of soil loss in North America?
water erosion
What type of pollution is the GenX/Chemours pollution?
Point source
The steepness of terrain affecting the speed at which water flows is which soil forming factor?
topography
A person who feels that natural resources should be protected and unused is best described as a:
preservationist
A naturally occurring material or organism that supports life, provides fuel, or is used in other ways by humans is a:
Natural Resource
The use of riprap, fabrics, straw, vegetation, or concrete on a creek or roadside bank to prevent erosion is called:
Stabilizing
The greatest problems of air pollution are caused by:
Humans
Fred’s family owns steep forestland in the mountains and a home on the beach. To his surprise, he learned that the land classification for both locations was:
VIII
The biggest concern about the worldwide population explosion is:
the demand for life necessities