(please help me have a nice day) Select the correctly punctuated sentence.

•School began on a cold September morning.
•School began on a cold, September morning.
•School began on a cold September, morning.
• School began on a cold, September, morning.

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

One of the benefits of studying communication is that it people become effective leaders. select the best answer from the choices provided t f

Which of the following is an assertive statement? whatever you want to do is fine by me. i see your point, but i still think the other solution is more effective. well, that may not be the best idea, but we could try it. that will never work. just think about it.