Question

Which of the following regions is thickly populated?
a. Fertile river valleys
b. Cold deserts
c. Mountainous areas
d. None of these​

Answer 1

Explanation:

GANGA AND BRAHMAPUTRA REGION IS THICKLY POPULATED BECAUSE IT IS SAID TO BE THAT THE PLAINS FORMED BY THESE RIVERS ARE MOST FERTILE LAND IN THE WORLD. . SO PEOPLE CAN LEAD THEIR LIVELIHOOD BY FARMING SO THESE AREA IS THICKLY POPULATED

Answer 2

Fertile river valleys as the soil is fertile and fit for crops