Answer:
A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being siphoned backward into the public drinking water system. This prevents contamination should the public drinking water system's pressure drop.
Explanation:
Answer:
the Answer is A
Explanation:
i took a test and it had the same question i got it right
If you take a kids class then yes, depending how old you are, how fast you learn, and if it is meant for you.
Homeostasis is the regulation of internal conditions, for example, when you get hot you sweat to keep a stable body temperature. In this case, you are looking for what is regulating conditions inside the cell. The semipermeable membrane within the cell regulates what goes in and out of the cell to make sure that it doesn't take in or give up too many nutrients, and lysosomes get rid of bacteria in the cell so it can continue to function.
