How many languages are there in the world?

Will give brainlist, population groups are different people who share similar weaknesses and struggles. sometimes people belong to more than one population group because they a) need several types of assistance 2)need to socialize with more people 3)don’t want to be left out ps this is career explorations

What is the hardest thing for a person to do emotionally

Arecent article in newsweek stated that 25 percent of students entering collage read below the 10th grade level. is this statement an fact or an opinion?