Explanation

Neutrons have no electric charge, hence they are neutral.

Protons have a positive charge.

Electrons have a negative charge.

Explanation

Siwalik Range, also called Siwalik Hills or Outer Himalayas, sub-Himalayan range of the northern Indian subcontinent.

Explanation

An isobar is an imaginary line that connects places of equal barometric pressure.

They can be used to find areas of low or high pressure over a large area.

Explanation

A polyp is a projecting growth of tissue from a surface in the body, usually a mucous membrane.

Polyps can develop in the: colon and rectum (ear canal).

Explanation

The EUROTM, or EURATOM (European Atomic Energy Community), was established in 1957.

1. Its aims were to promote nuclear energy development.
2. It sought to ensure energy supply to EU member states.
3. It also aimed to cooperate with non-member states in nuclear energy initiatives.

Explanation

The influenza epidemic that swept the world in 1918 killed an estimated 50 million people.

One-fifth of the world's population was attacked by this deadly virus.

World War I claimed an estimated 16 million lives.

Explanation

There are seven European Union countries that do not use the euro as their currency: 

1. Bulgaria
2. The Czech Republic
3. Denmark
4. Hungary
5. Poland
6. Romania
7. Sweden

Explanation

The Empire State Building is a 102-story Art Deco skyscraper in Midtown Manhattan in New York City, United States.

Built from 1930 to 1931.

Its name is derived from "Empire State", the nickname of the state of New York.

Explanation

He travelled to Baghdad for this reason and lived there for twenty years, engaged in teaching and pursuing academic work, until he died in 329 AH/941 CE.

He is considered the foremost Shia compiler of hadith and was the author of Kitab al-Kafi.

Explanation