I believe it gives you the answer. It should be one fifth or 20%. #TeamAlvaxic
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
Hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.
Answer:
at least 1,000 people per square mile
Explanation:
I took the test it was correct. ( i know thats not an explanation im sorry but its correct).