Questions

Martin Luther was who launched the protestant reformation in the 1500's.

During world war II, Germany was a member of the Axis powers.

Every year on 24th October, United Nations Day is celebrated to commemorate the day of United Nations formation. 

The United Nations is an intergovernmental organization that was tasked to maintain international peace and security, develop friendly relations among nations, achieve international co-operation and be a centre for harmonizing the actions of nations. I was started on 24 October 1945.

From the given options, a power plant uses a nonrenewable energy source to make electricity. A power plant uses coal for making power production.

Decomposing waste in the landfills, by the action of microorganisms, produce methane and carbon dioxide. Landfill gas consists of 40-60% of methane and rest is carbon dioxide. Trace amount of volatile organic compounds (<1) are also present which mainly comprise of hydrocarbons.