Lots:-
How errosion happens in varius stuations
What casues errosion
Where the sediments go and how they are transported
How errosion affect the landscape
How errosion may be prevented
The causes of man made errosion
etc.
studying
the fact that you can learn about the past, if your thinking about it, go for it
how the sea works .
nothing
You can learn the size of the insects prey.
i can learn many things such as the astronauts the and the astronomy and many things else
To understand and learn knowledge.
studied or studying
geology
They can learn about how life has changed over time. *:)*
One important thing you can learn from studying an owl pellet is learning what animal the bones in the owl pellet belong to.
look at the shape of it