Ooh. You don't knock on your own hotel door- <span> a knock at the door is your key word.
</span>x
The time needed to form a soil depends on the latitude: in environments characterized by a mild climate, it takes 200-400 years<span> to form 1 cm of soil. in wet tropical areas soil formation is faster, as it takes</span>200 years<span>. in order to accumulate enough substances to make a soil fertile it takes </span>3000 years<span>.
Hope it helps! :-)</span>
The height is zero.
That means whatever place is your reference for height measurement,
the object is lying right there at that height.
D is not a scientific experiment.
Body Fossils and Trace Fossils.
Hope I helped and good luck with school. Bye!