steep - involving a big increase or decrease, cooling - making something less warm, guarantee - to promise something, capacity - the amount of something that can be produced by a machine, factory, ect, dispose - to throw something away, eliminate - to get rid of something that is unwanted, distribute - to spread evenly throughout an area, resident - someone who lives in a particular place, unrealistic - not sensible or practical, wealthy - having a lot of money, assets, etc., sustainable - able to be maintained, equivalent - something that has the same value, amount, etc. as something else, utilized - to use something for a particular purpose, protest - to be against something, emissions - pollution released into the air, comprehensive - including everything, substitute - something you use to replace the thing you usually use because it is not available, efficiency - ability to perform well with very little waste, regulation - a rule set forth by an authority or agency, decline - to decrease,

REX LEVEL 3 U7

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