Does anyone know what this says

Lucas wants to include an explanation clue in his sentence. how should he do that?

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.`

Steven needs to add an in-text citation to the following sentence. the information is from the book alice's adventures in wonderland by lewis carroll. the information was found on page 33. in alice's adventures in wonderland, we know the rabbit fears the queen of hearts because he speaks in a "low, hurried tone" and looks "anxiously over his shoulder."