Questions

New York City Subway has 468 stations (277 of which are under ground) in a network covering 370 km (230 miles)

In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.
As water molecules are polar, polar molecules dissolves in water.

The process which involves absorption of heat is endothermic.

Here given all the options are involving in absorption of heat. Hence, all the above are endithermic.

Humidity means the amount of watervapour present in the atmosphere. It depends on weather, location and temperature of the place.

A normal reading would be any blood pressure below 120/80 mm Hg and above 90/60 mm Hg in an adult. If you're in the normal range, no medical intervention is needed.

However, you should maintain a healthy lifestyle and healthy weight to help prevent hypertension from developing.

These can not be edited once the account is set up.

The book Mother India (1927) is a polemical book by American historian Katherine Mayo which attacks Indian society, religion and culture.