44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.
There are less sharks farther from coral reefs.
Answer:
Mass is the amount of matter in an object and does not change with location.
Explanation: