February 21, 2020

Atmosphere

• What is the atmosphere?

A layer that protect the surface of the earth. It is made of gases and air. We can find oxygen, C02, carbon,... It main compounds are nitrogen. 

• Atmosphere
  
  
  • What is the atmosphere?
  
  
  A layer that protect the surface of the earth. It is made of gases and air. We can find oxygen, C02, carbon,... It main compounds are nitrogen. 
  
  
• What is the air?

A mixure of many discrete gases, each with its own properties, in which varying quantities of tiny solid and liquid particles are suspended. 

Weather. State of the atmosphere at a given time and place.

Climate. Sum of all statistical weather information that helps describe a place or a region.

Weather forecasts that go beyond a few days are not reliable.

Weather and climate main variables:

1. Air temperature
2. Humidity
3. Type and amount of cloudiness
4. Type and amount of precipitation
5. Air presure
6. Speed and direction of wind

All are interrelated.

Chemical composition:

The atmosphere is not as stable as we tend to think.