I think the correct answer from the choices listed above is the last option. Of the following minerals, it would be phosphate that acts as a buffer to help maintain the pH of the blood. Hope this answers the question. Have a nice day.
Answer:
She should stop and let the pedestrian cross the road
Explanation:
1. B because it builds muscles in legs
2. Its the same as 1
False
The ingredients of the salad determine how healthy it is.