The answer is B. chemicals.
the reason its b is because A= bacteria but u have to clean the bacteria in the water so its not A and its not c. becouse that will be just turning the ice into water .so the answer is b. becouse we use chemicals everyday to get rid of bacteria and waste
C because nothing can happen with turning the TV off at night, if anything its good
Increases heart rate, which pumps more oxygen to the brain!
Answer:
low academic achievement, obesity, behavioral problems and social and emotional development difficulties
Explanation:
Answer:
I believe it's false because it's till 13 I belive