Which word best describes the tone of emperor qian long's letter

Which best summarizes what scientists learned about how microbes benefit the human body? they are part of a normal human ecosystem. they have become less harmful to humans than they used to be. they process nutrients, fight disease, and accommodate change. they humans overcome the effects of antibiotics.`

"well, i know," she said. "you'll pretend you were men instead of babies. . and war will look just wonderful, so we'll have a lot more of them. and they'll be fought by babies like the babies upstairs." so then i understood. it was war that made her so angry. what point of view

How should i study korean, and how many hours should i study it? i am a high school student already learn japanese in class, also i play sports so i tend to not study korean much because i have an excuse, like, ‘i dont know how to properly study for korean’ 감사합니다