What effect has “increasing antibiotic use in the united states” had on people’s microbiomes?

What feature do the arkansas river valley and the mississippi alluvial plain region have in common

How did the people of latin america come to speak the language of spanish

Situation #1: imagine that you are a free black male living in columbus, oh in 1863. you have seen the recruiting poster and have been thinking a lot about whether or not to enlist in the union army. write a one-page letter (double spaced) to your mother telling her of the decision you have made about enlisting (or not enlisting). be sure to explain the reasons that caused you to make the decision.