Question

One drop of water leaking per second from a faucet can waste more than 2,300 gallons of water per year.” The most reliable source of this information is a

journalist

plumber

salesman

scientific website

Answer 1

I'd say scientific website, which is most likely to have arrived at the figure using observations and computation. Journalists tend to latch onto any remotely-reasonable statistic, and plumbers and salesmen are likely to use such quotes to scare you into buying a new sink or a repair job.