Question

How to make a model on changing environment from ice age to the evolution of man

Answer 1

draw on charts and cut paste on thermocol sheet and make them stand

Answer 2

There are four periods which were so long and so cold. These seasons of climate which appear to be so cold are termed as ice ages. The temperature of the world drops drastically each ice age period. The parts found around the equator are so lucky to stay warm. Life in the north and south get very difficult during these cold times of ice age periods.