Fog is a cloud that has its base at or near the ground.
I’m pretty sure you just add AB to BC, since they are all points on a line, those two segments add together to get the value of AC. Therefore, 12+16= 28, so AC=28
Parts of Antarctica are considered to be deserts because it is too dry, there's no rainfall because it is too cold and the amount of snow that falls yearly is comparable with the amount of rains that falls in thee driest deserts on the planet, thus the lack of rain and snow makes it a proper desert, cold desert.
Answer:
Geologically, rivers, mountains, oceans, seas, biomes.
