The is the part of the brain that holds the hemispheres together

The corpus callosum is made of nerve fibers, deep in the brain, that connect the twohalves of the cerebral hemispheres.

It should be cryosphere and hydrosphere

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