Ors-nrrh-tks please my meeting​

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.`

Why is it important to understand the interestonality of slavery? plz

These two elements threaten ecosystem biodiversity.