Well for starters, we have minerals in our bodies like iron, calcium, magnesium, etc. but we also use it for things like electricity and buildings and cars such as we use copper in electricity, iron to make steel, and so on
Deserts are defined by the lack of precipitation, and in fact, Antarctica is also a desert - so we can reject the first and last option since they're not typical of Antarctica.
most deserts are characterized by drastic differences in temperatures: so the best answer is: c. a huge difference between minimum and maximum daily temperatures
