Contest alert! || Share your general knowledge week 4

General knowledge is very important in our life, it help in making decisions, social intraction, selecting career and cultural awareness. Yes my friends I am writing this post about general knowledge. Salam to all my friends of this community. I am very happy and thankful to great steemian @sahar78 for this general knowledge contest.

Which gas is famous as laughing gas?

Nitrous oxide (N2O) is famous as laughing has. This is a colorless and non flammable gas with a faintly pleasant taste and smell. Because of its anesthetic and analgesic properties, it is frequently utilized in dentistry and medical treatments. This gas is inhaled to produce a euphoric and relaxing condition. Its frequently results is laughter. It's nickname is "laughing gas."

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Nitrous oxide gas is also used in employment in the food business. It used in whipped cream dispensers and in the automotive sector for improving engine efficiency.

What is name for stress hormone?

The name of stress hormones is Cortisol. This is produced by the adrenal glands that is essential to the body's reaction to stress. It helps in the regulation of multiple processes like energy production, immunological response and metabolism. Cortisol levels rise in response to stress. For giving body energy, it needs to deal with the stressor by raising blood glucose levels and improving brain function. On the other hand, long term higher cortisol levels brought on by chronic stress can create health problems like immune system weakness, high blood pressure and weight gain.

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Healthy lifestyle choices are crucial for stress management and for preserving cortisol equilibrium.

Leap year comes but after how many years?

Leap year comes after four years. After four years, there is a leap year to help synchronize the calendar year with the solar year. This is roughly take 365 days to complete it's cycle around the Sun. This difference is fixed by inserting an extra day, February 29, into the calendar every four years. This rule does have some exceptions, though.

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Those years that can divide by 100 do not automatically become leap years utill these are also divisible by 400. For example1700 is not a leap year, but 2000 is leap year. This calendar is kept in line with the Earth's cycle by use of this mechanism.