The isomers butane and methylpropane have(1) the same molecular formula and the same properties
(2) the same molecular formula and different properties
(3) a different molecular formula and the same properties
(4) a different molecular formula and different properties

what are the statements?

explanation:

give me the statements and i'll tell you which is correct

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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