Answer: D
Explanation: just took the quiz
d
Phosphorus and potassium do not have any cartilage
If you're talking about ocean currents then I think I can help. They change due to the wind, temperature and density differences.
So Iron can be found in many many different things.
•The core of the earth is majorly composed of Iron, Sulfur, and Nickel.
•It can be found In minerals such as Magnetite and Taconite.
•It can be found In meat, poultry, and fish.
