Questions

The Moscow Metro in Russia carries 8-9 million passengers each day. By comparison, the New york City Subway, USA carries 4.5 million people each day and the London underground , UK, carries just over 3 million.

The National Defence Academy is formed by combining the cadets of three services Army, Navy and Air force. The Defence academy established on 7 December 1954. Its motto is "Service Before Self."

The purpose of hydrogenating unsaturated fats is to make them more solid at room temperature as it is easy store the product.

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

It is the letter 'e', that is the first on earth, the second in heaven.

It appears twice in a week, that appears once in a year.

Our atmosphere is made up of

78% Nitrogen,

21% Oxygen and

1% all other gases like argon, carbon dioxide, neon, and helium.

So, Nitrogen makes up the majority of our atmosphere.

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.