Who was president when hiroshima was bombed

Which of the following arguments decided the debate over using the atomic bomb against japan in 1945? using the bomb would destroy the armaments still available to japanese forces in japan. using the bomb would demonstrate the power of the united states to the entire world. using the bomb would shorten the war and avoid heavy casualties among invading troops. using the bomb would enable allied forces to invade and take over the japanese mainland

Which of these events was a severe setback for the u.s. war effort in the pacific?

Which behavior is appropriate in the laboratory? eating a snack while conducting an experiment mixing chemicals as instructed by the lab procedure tasting unknown chemicals to identify them tossing around a football with friends