Aerosols - ANS-Very fine liquid droplets or solid particles aloft in the atmosphere.
Affluenza - ANS-Term coined by social critics to describe failure of material good to bring happiness to people who have the financial needs to afford them.
Age Distribution (Age Structure) - ANS-The rela...
,Acid Deposition - ANS-The settling of acidic or acid-forming pollutants from the
atmosphere onto Earth's surface. This may take place by precipitation, fog, gases,
or the deposition of dry particles.
Acid Drainage - ANS-A process in which sulfide minerals in newly exposed rock
surfaces react with oxygen and rainwater to produce sulfuric acid, which causes
chemical runoff as it leaches metals from the rocks. Mining greatly accelerates it
by exposing many new surfaces.
Acidic - ANS-There property of a solution in the the concentration of hydrogen
ions is greater than the concentration of hydroxide ions.
Acid-Neutralizing Capacity - ANS-The capacity of soil, rock, or water to resist pH
change from acid deposition, due to its alkaline chemistry.
Acid Rain - ANS-Acid deposition that takes place through rain.
Active Solar Energy Collection - ANS-An approach in which technological devices
are used to focus, move, or store solar energy.
Acute Exposure - ANS-Exposure to a toxicant occurring in high amounts for short
periods of time.
Adaptation (Climate Change) - ANS-The pursuit of strategies to protect ourselves
from the impacts of climate change.
,Adaptation (Evolution) - ANS-The process by which traits that lead to increased
reproductive success in a given environment evolve in a population through
natural selection.
Adaptive Management - ANS-The systematic testing of different management
approaches to improve methods over time.
Adaptive Trait - ANS-A trait that confers greater likelihood that an individual will
reproduce.
Aerobic - ANS-Occurring in an environment where oxygen is present. (decay of
rotting logs)
Aerosols - ANS-Very fine liquid droplets or solid particles aloft in the atmosphere.
Affluenza - ANS-Term coined by social critics to describe failure of material good
to bring happiness to people who have the financial needs to afford them.
Age Distribution (Age Structure) - ANS-The relative number of organisms of each
age within a population. Effects population growth or decline and are expressed
in ratios.
Agricultural Revolution - ANS-The shift around 10,000 years ago from a hunter-
gatherer life-style to an agricultural way of life in which people began to grow
crops and raise domestic animals.
Agriculture - ANS-The practice of cultivating soil, producing crops, and raising
livestock for human use and consumption.
, Air Pollutants - ANS-Gases and particulate material added to the atmosphere that
can affect climate or harm people or other organisms.
Air Pollution - ANS-The act of pollution the air, or the condition of being polluted
by air pollutants.
Air shed - ANS-The geographic area that produces air pollutants likely to end up in
a waterway.
Albedo - ANS-The capacity of a surface to reflect light. higher albedo values refer
to greater reflectivity.
Allergen - ANS-A toxicant that over activates the immune system, causing an
immune response when one is not necessary.
Allopatric Speciation - ANS-Species formation due to the physical separation of
populations over some geographic distance.
Alloy - ANS-A substance created by fusing a metal with other metals or
nonmetals.
Anaerobic - ANS-Occurring in an environment that has little or no oxygen.
Anthropocentrism - ANS-A human-centered view of our relationship with the
environment.
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