Which interrogative pronoun best completes the sentence?
how is the pronoun used?
dirty dishes are still soaking in the sink?
a.
whom; object of a preposition
b.
whom; direct object
c.
who's; subject (in a contraction with a verb)
d.
whose; possessive

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days