Answer:
Closed systems do not exchange energy with the environment, while open systems do.
Explanation:
hope this helps<3
Answer:
The answer is wheel of knowledge
Explanation:
This wheel consists of putting in a photographic room where future prisoners are photographed, a certain number of men or women with similar characteristics, since it is skin color facial features hair color things that make them look similar, so that afterwards Victim recognize his perpetrator.
This is done to make sure they are in the right person and will not arrest an innocent person because of a physical confusion.
Strenuous would fit in the blank
Processed Foods will decrease pH of Urine. You want your pH to be around 7. If your pH goes below 7 you are more acidic than alkline which is healthy
I would say hat now is the perfect time because peak bone mass happens at our age. Bone strengthening exercises are always good for your body no matter what, so encourage her/him to do it. I'm guessing the age is about 11-18 maybe...
Hope this helps... mark as Brainliest plz
