What does this mean? "perché devo ancora provare? "

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.`

Asl may be used regularly in which field?

The deaf community refers to which of the following deaf people and other who support deaf culture specific cultural values deaf people who don't prefer asl interpreters and other hearing people only