5. Fertile plains are created by the sediments brought in by the …….
Rivers.
6. Rivers provide a constant supply of …… and ……….
Fresh water and food
……… were built around rivers to irrigate the agricultural fields.
canals
8. Rivers enabled people to ……and………..long distances.
Travel and explore
9. The nomadic way of life eventually changed after the discovery of …………
Agriculture
10. The early humans lived in …………..during the Stone Age.
Caves
11. River plains are best suited for ………………..
Farming/ Cultivation/ Agriculture
12. The early humans used to make tools and weapons using…….
Rocks and wood.
13. The stone age is also known as ……….. age.
Hunter gatherer age
