The earliest of civilizations were based around river valleys. This allowed them to irrigate fresh water to their crops allowing for better farming and therefore, bigger and better civilizations.
Answer:
Azaleas
Explanation:
freckled-fuchsia flowers bloom in spring and then again in a second bloom period beginning late July or early August, and keeps on going into November
I know for sure the ganga and brahmaputra rivers do make up the northern plains, not sure about the yamuna. but since two do, then i would answer all of these