___________ were pear-shaped.

__________ were used for skinning animals and chopping meat.

Volcanic rocks or sediments can be dated by determining their magnetic phase. This method is called?

The superior technique that can date organic material as old as one lakh years. 

Middle stone age is also known as __________.

In burzahom people built __________

Old stone age is also known as ___________.

Polished and fine cutting edged stone tools are used in this period

Several burial sites have been found at __________

__________ are the ancestors of mans.