Which of the following can be caused by weathering?

a) cracks forming in a boulder'
b) rocks melting to form magma
c) glaciers forming on a mountainside

fas thxs xd

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Where are they though?

Size and shape of continents