Questions

Secondary market refers to market where securities are traded after being initially offered to the public in the primary market and/or listed on the stock exchange.

The land breeze is a coastal breeze at night blowing from the land to the ocean. It is caused by the difference in the rates of cooling of the land and of the ocean. Once again, the bigger the difference in temperature between the two, the stronger the wind.

Jagdambika Pal was the Ex - Chief Minister of Uttar Pradesh only for one day i.e, on 21 Feb to 22 Feb in the year 1997.

I am black gold i.e charcoal. It is black when it is not used and when using it is red due to fire and when used it is in grey color as it becomes ash. 

Charak was a native of Kashmir.

Most of the emissions of greenhouse gases (GHG) come primarily from burning fossil fuels (coal, hydrocarbon gas liquids, natural gas, and petroleum) for energy use and the major greenhouse gas is of course carbon dioxide (CO2) which comes from burning fossil fuels and land-use change.

But methane (CH4) and nitrous oxide (N2O), which mostly come from agriculture and waste, are also significant GHGs and shouldn't be discounted.

A dynamometer wattmeter can be used for measuring both A.C and D.C currents.