Peking man $(Homo\ erectus\ pekinensis)$ was:

On which continent were the fossils of prehistoric humans first discovered?

About $P$ million years ago,human-like primates walked in eastern Africa. They were probably not taller than $Q$ feet.
$Q$ is:

The cranial capacity of Cro-Magnon man was approximately: (in $, c.c.$)

The first mammals were like $A$. Their fossils are small-sized. Mammals were $B$ and protected their unborn young inside the mother's body. Choose the correct option for $A$ and $B$ to complete the given $NCERT$ statement.

Which continent is known for having the largest number of human fossils discovered?