9. Convert a measurement of 2.75 hours to seconds. Are the required conversion factors measured or exact quantities?

i think it is true since you can test the answer and can use observations to complete it.

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

answeridentity;