I mean, a desert is basically just a huge amount of sand but where does it stop, what is beneath? I googled it and it says there’s groundwater but what does that mean, and (how) is that even possible?
Edit: So, actually the main question I wanted to know is if there’s a exact border between sand and rock, or if the sand just gets denser and denser until it’s rock (but I believe the weight must not be that big), like Saturn or something.
(Yes, I know what a desert is but I specifically need to know about this certain type of desert)
In: 1165
I think one way of explaining this would be like, have you seen pictures of rocky desert? Sandy deserts are basically those but with lots of rock dust (sand) built up over time because the environment conditions keep the dust from blowing away faster than it built up.
Kinda like if you had hard surface floors and stopped cleaning a corner of your room for a really long time. Sandstorms would be like when you accidentally kick up the dust into the air by breathing too close to it or dropping something in that corner.
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