The atmosphere traps radiation aka heat, which helps keep planet warm a: infrared
b:ultraviolet
c:gamma
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Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds