Answer:
D. A substance, energy source, or organism used by humans
Explanation:
Its not man made like the others
This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.
I think its c because coal isnt considered a mineral/rock because it is organic(?)
The Yucatan Channel separates<span> it from the </span>Caribbean Sea<span>.</span>
