The name of the act and the process that created and divided India, Pakistan and Bangladesh is the 'Partition of India'. It happened in 1947, when the till then one country, was divided in three parts and gave birth to the today's Republic of India, Islamic Republic of Pakistan and People's Republic of Bangladesh.
The Seine river
Did you hear about the guy who dived in to a river in France? He was in-Seine!
Insane. Get it? No? OK...
The answer is c. reverse its polarity.
The answer is: 2. smaller sediments