Question

"_______ after-school activities, homework, and early school start times, teenagers today are not getting enough sleep."

Answer 1

I think it’s therefore because the other answers don’t make sense in the sentence.

Answer 2

Answer:

As a result of

Explanation:

This represents a cause and effect relationship so because of all the things teens have to do they get enough sleep and As a result of shows that all the things teens have to do are causing sleep problems.

also read the other choices in the sentence they do not make sense

Hope this helps!

~brianna/edumacation