Terms in this set (25)
The buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae
The movement of phosphorus atoms from rocks through the biosphere and hydrosphere and back to rocks.
Commonly found in rocks, bones, DNA, soil. Often a limiting nutrient thus limiting growth of certain ecosystems.
Plant nutrient, once used as laundry detergent, formation of DNA, ATP.
Rarely causes symptoms in concentration, low levels can cause weakening of bones.
Cause algae bloom leading to anoxia in some cases.
sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes
an urban area of abandoned, vacant factories, warehouses, and residential sites that may be contaminated from past uses
Any substance that when added to water (or another substance) makes it impure and unfit for consumption or an intended use.
containing or producing a poisonous substance that may be harmful or deadly.
The loss of water from surface water reservoirs or groundwater aquifers at a rate greater than that of recharge.
an increase by natural growth or addition
capable of being decomposed by e.g. bacteria
increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web
Any living thing
A way of measuring how much of an impact a person or community has on the earth. Someone who uses more natural resources will have a bigger footprint than someone who uses less.
the ability to meet humanities current needs without compromising the ability of future generations to meet their needs
the using up of a resource
two or more atoms held together by covalent bonds
the lowest energy state of a system
layer of the stratosphere with a high concentration of ozone; absorbs most of the Sun's harmful ultraviolet radiation
air pollution by a mixture of smoke and fog
man-made chemical substance that depletes the ozone layer
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas
a form of oxygen that has three oxygen atoms in each molecule instead of two. protects us from dangerous ultraviolet radiation from the sun
a heavy silvery toxic univalent and bivalent metallic element
Environmental Protection Agency (EPA)
an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
Department of Energy & Environmental Protection (DEEP)
charged with conserving, improving and protect the natural resources and the environment of the state of Connecticut as well as making cheaper, cleaner and more reliable energy available for the people and businesses of the state