“If compound X is boiling, then its temperature must be at least 150°C.” Assuming that this statement is true, which of the following must also be true?a. If the temperature of compound X is at least 150°C, then compound X is boiling.b. If the temperature of compound X is less than 150°C, then compound X is not boiling.c. Compound X will boil only if its temperature is at least 150°C.d. If compound X is not boiling, then its temperature is less than 150°C.e. A necessary condition for compound X to boil is that its temperature be at least 150°C.f. A sufficient condition for compound X to boil is that its temperature be at least 150°C.

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