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Hi, all Steemians hope that you all will be fine. Today I am participating in the contest "Sharing my general knowledge week 4".

Which gas is famous as laughing gas?

The laughing gas is nitrous oxide and laughing gas is just its nickname. when people breathe in this gas, they feel very happy and start laughing a lot. laughing gas contributes to Global warming because it is a Greenhouse gas .The laughing gas was discovered by a scientist known as Humphry Davy in the early 20th century He said that inhaling nitrous oxide makes people happy.

What is name for stress hormone?

The name for the stress hormone is cortisol. When something stressful happens then your brain tells to your body to release cortisol.Cortisol helps you to deal with stress by giving you extra energy and help you to stay focussed.

Leap year comes but after how many years?

Leap year come after four years. This is a special year that has an extra day added to it which makes it different from usual years because except leap year every year has 366 days but other years have 365 days that happens because leap year has 1 extra day . Leap years are divisible by 4 .

I am inviting @muhammad-ahmad , @sohaibkhayyam and @abdullahw2

Bye Bye

Me

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