The cause of the United States entering World War 1 in 1917 was because Germany sank their ship the Lusitania.
Answer:
Printer
Explanation:
It's been a while since I've read something on Ben, but I think this is correct.
Answer:
1
Explanation:
It was used to help transport goods faster
Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.