If my computer is next to my book, what preposition would I use?

Identify which stage of the listening process is occurring in the following scenario. on the way home from school, erik enthusiastically began telling his older brother gunter about an upcoming class field trip to the zoo. gunter looked up after a moment and said, "what? " as he pulled his earphones out of his ears. answers choices:

During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above

The process of? involves students offering each other constructive feedback to improve their written drafts.