What is the answer for these 3?? Please help

What is the scientific word for "bruh"

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

Daily communication is an essential part of our lives. nonetheless, breakdowns in communication are all too common. miscommunication cannot only be uncomfortable and embarrassing, but it can also be extremely harmful in certain situations. describe a situation of miscommunication you have experienced or witnessed. indicate the result and offer some ways the miscommunication could have been avoided. use the strategies mentioned in the lesson to you.