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Environmental Issues

a place where the hatching of fish or poultry eggs is artificially controlled for commercial purposes.
(of a species, family, or other larger group) having no living members.
he chemical element of atomic number 13, a light silvery-gray metal.
a substance that pollutes something, especially water or the atmosphere.
protect (something) by interposing material that prevents the loss of heat or the intrusion of sound.
a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
a great ape with large ears, mainly black coloration, and lighter skin on the face, native to the forests of western and central Africa.
a substance that provides nourishment essential for growth and the maintenance of life.
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
plural form of fungus.any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
the production and discharge of something, especially gas or radiation.
the natural home or environment of an animal, plant, or other organism.
a soft, wet, shapeless mass of material.
risky; dangerous.
make (something) impure by exposure to or addition of a poisonous or polluting substance.
the process of eroding or being eroded by wind, water, or other natural agents.
a member of an indigenous people of northern Canada and parts of Greenland and Alaska.