Answer:
I'm pretty sure its B, but if I got that wrong I'm so sorry.
The answer is probably hurricanes bc the mixture of hot air and cold air together turns it into a big hurricane/tornado.. depending on how strong the wind is
You see how much the scale is, let's say that it is 150 mm=300 miles. If it goes over, you can measure it with a ruler, or move with your hands, measuring it as well as possible and estimating. Hope this helps! :)
Concrete is not a crystal.