Answer:
Hematite and magnetite
Explanation:
Minerals such as Iron don’t occur alone due to its interaction with other elements. The Iron’s major source is usually through ores such as Hematite, Magnetite, limonite etc.
However Pure magnetite contains 72.4 percent iron and pure hematite contains 69.9 percent. They have the highest percentage of iron thereby making them the main sources.
The answer is B 1,500 meters since 1 kilometer to meters is 1,000 and u add the 500
The spring scale will read 559 Newton's or 125.7 pounds.
