act
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 2- butane | an organic compound with the formula CH₃CCH₂CH
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| condensation | water that collects as droplets on a cold surface when humid air is in contact with it.
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| extinction | the state or process of a species, family, or larger group being or becoming extinct
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| long-term | occurring over or relating to a long period of time
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| sea floor | The process by which new material that lies under the ocean rises and pushes the existing tectonic plates aside, creating new crust as it does so
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| supersaturated | increase the concentration of (a solution) beyond saturation point.
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| suspension | action of suspending someone or something or the condition of being suspended, in particular.
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| synthesis | the combination of ideas to form a theory or system
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| sediment | matter that settles to the bottom of a liquid
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| selective | relating to or involving the selection of the most suitable or best qualified
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| toxic | poisonous
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| tolerance | the ability or willingness to tolerate something, in particular the existence of opinions or behavior that one does not necessarily agree with
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| watt | the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.
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| variable | not consistent or having a fixed pattern; liable to change
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| tropopause | the interface between the troposphere and the stratosphere
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| ultraviolet | (of electromagnetic radiation) having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays
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| vapor plume | Flue gases visible because they contain water droplets
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| ignite | catch fire or cause to catch fire
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| joule | the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
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| landmass | a continent or other large body of land.
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| diffuse | spread or cause to spread over a wide area or among a large number of people.
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| capacity | the maximum amount that something can contain
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| celsius | of or denoting a scale of temperature in which water freezes at 0° and boils at 100° under standard conditions
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| comet | a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun
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| carbonate | a salt of the anion CO32–, typically formed by reaction of carbon dioxide with bases.
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| ice shelf | a floating sheet of ice permanently attached to a landmass
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| hexane | a colorless liquid hydrocarbon of the alkane series
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| nitrate | a salt or ester of nitric acid, containing the anion NO3− or the group —NO3.
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| meiosis | a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
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| specific gravity | the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas
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