Questions

Actually by swimming a person can easily burn more than 450 calories upto 920 calories per an hour. So, burn less than 400 calories per hour is not correct regarding swimming.

But while the average Mughal farmer produced more than in later times, he most probably produced less than in earlier times. On the whole, the Mughal period was marked by agricultural stagnation, if not slump. The per capita yield was declining, and the average man in Mughal India probably had less to eat than before. 'The surplus income left to the peasant was tending to decrease, where it had not already vanished,' says Moreland. 'The provinces,' says Pelsaert, 'are so impoverished that a jagir which is reckoned to be worth 50,000 rupees, may sometimes not yield even 25,000, although so much is wrung from the peasants, that even dry bread is scarcely left to fill their stomachs.'

The American Civil War has been known by a number of names since it began in 1861.

In most East Asian languages, the war is called "Battle between North and South side of the United States" or more commonly as "American (U.S.) North–South War", depending on the individual language.

The processes both osmosis and diffusion come under passive transport and require no energy. The movement of solute from the region of higher concentration to the region of lower concentration is nothing but diffusion.