Answer:
by pumping blood and oxygen to the working muscles.
Explanation:
The circulatory system helps the muscular system by pumping blood and oxygen to the working muscles. The circulatory system also helps the muscular system because it allows muscles to receive the oxygen they need to function properly.
The right options are;
1- Storing and holding money
2- Making purchases to create profits
3- Lending money
4- Investing in the economy
A bank is an authorized financial establishment that accepts deposit, provide loans, and pay interest to its customers. Banks mainly take care of financial affairs and they are highly important to the economy. The main role of banks is to put their customer’s money to use by lending it out to others while the banks also generate money from it. Various activities carried out by banks include personal banking, insurance, foreign exchange trading, corporate banking, etc.
Answer: Option (a) is the correct option that is largest percentage of oxygen is present in both earth's crust and human body.
Explanation: Oxygen is present in large amounts both in earth's crust and human body. The percentage of oxygen in earth's crust is 46.6% and the percentage of oxygen in the body is about 66.6%. So it is concluded that both human body and earth's crust have high percentage of oxygen.