Questions

Mohandas Karamchand Gandhi gave the slogan Bharat Chhodo during the Quit India movement.

A greenhouse gas is a gas in an atmosphere that absorbs and emits radiant energy within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. 

Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.
Methane and nitrous oxide is another type of greenhouse gas.

Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas is Oxygen.

Biodegradable substances can be broken down into simpler, harmless substances in nature with due course of time by the biological process such as action of microbes. They can be recycled as a part of food chain.

Here, Leather bags are biodegradable.

Sanjay Kothari, Chairman of Public Enterprises Selection Board, has been appointed as Secretary to President-elect Ram Nath Kovind.

Crossover rates have to do with the amount of earnings that are generated by two different but similar projects. The crossover rate is the point at which the two projects achieve the same net present value. In terms of investments, calculating a crossover rate between two similar securities can help an investor determine what to buy and what to sell.

• International Workers' Day, also known as Labour Day in some countries, is a celebration of labourers and the working classes that is promoted by the international labour movement, socialists, communists or anarchists. 
• It occurs every year on May Day which is May 1st. It is the day to pay tribute to the Labourers. Without them nothing will complete. 
• In India, the first Labour Day, or May Day, was celebrated in 1923 in Chennai.