The majority of U.S. adults—68 percent—take dietary supplements and consumer confidence remains high, with 84 percent of U.S.
Hope it helps!
Yes, you're correct, it's the first one. He should do research before he does an experiment, because someone else may already know.
Hypoxic waters kill high levels of aquatic species, disrupting the food chain and habitat. In addition to wrecking ecological havoc, the dead zone can be a financial drain on coastal communities.