Answer:
D. A and B
Explanation:
The kidneys balance the pH by removing dietary acids from the blood thus making it more alkaline. If the urine is more acidic that means that the kidneys have regulated the reabsorption of carbonic acid in the tubule.
The kidneys produce a hormone called aldosterone that helps the body regulate blood pressure. Since they filter blood from the arteries damaging the said arteries will lead to kidney damage so to stay intact the kidneys help regulate the blood pressure that damages the arteries
Answer:
I believe the correct answer is B: <u>the Inca roads crossed mountains, while the Silk Road traveled through lowlands.</u>
Explanation:
<em>Since the Inca roads were in the mountains and I the silk road was on low lands. It would make sense for it to be</em> B. But I could be mistaken.
a federal tax is paid to the federal governemnt
Answer:
didn't understand can you elaborate it
