With the exception of water vapor, ________ is the most plentiful of the variable gases in the atmosphere.
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Average room temperature is about
A. 300 K. B. 100 K. C. 200 K. D. 400 K.
The scientific method, a framework for answering scientific questions, is essentially
A) a strict procedure for proving the truth of something B) a way to verify facts that are already known C) a convention regarding what it means to "know" something D) a large collection of facts
To correctly monitor horizontal changes in air pressure, the most important correction for a mercury barometer measurement is the correction for ____
A) temperature B) altitude C) density D) gravity
One of the major advantages of maquiladoras for American companies is what?
A) They are able to hire Mexican workers for much lower wages than they would have to pay American workers. B) These areas subscribe to no country's laws on pollution. C) These areas often have lax child-labor laws which allow workers as young as 12 to work in factories. D) Companies in these areas have to pay no corporate income tax.