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

Anthropometry is useful in the study of

Given below are two statements:
Statement $I$: Modern $Homo$ $sapiens$ arose in Australia and moved across continents.
Statement $II$: $Homo$ $sapiens$ arose around $75000$ to $10000$ years ago.
In the light of the above statements, choose the most appropriate answer from the options given below:

The ancestors of man who used hides to protect their body were

Which of the following was the closest ancestor of modern humans?

The brain capacity of $Homo \, erectus$ was about (in $, cc$)