A compound<span> is a </span>pure substance<span> composed of two or more different atoms chemically bonded to one another. A </span>compound<span> can be destroyed by chemical means. It might be broken down into simpler </span>compounds<span>, into its elements or a combination of the two.</span>
Density is a physical property. It's measured and doesn't change the object chemically.
In oil and gas industry:
When crude oil get extracted from well, salt water and some other stuff needs to be removed before oil can be sued in the car
Answer: Water is a reusable resource because it evaporates out of the oceans to clouds, which generate rain falling on the land.
Explanation:
