Atmosphere.

Our air holds a mixture of many gases, liquid droplets and solid particles, but 99% of our air is made up of nitrogen and oxygen. The life process of all plants and animals depend on nitrogen and carbon dioxide. Plants produce oxygen by photosynthesis. The key to photosynthesis is the ability of chlorophyll, the green pigment in plants, to convert sunlight into chemical energy. In measuring the temperature of the atmosphere we find that there are …

…as a blizzard. The tornado is the most violent of storms; concentration of its energy is a relatively small region and gives the tornado great destructive potential. A tropical storm is a massive disturbance that forms over tropical oceanic regions. A tropical storms becomes a hurricane once it reaches a speed of 74 mph. Hurricanes are known by different names depending on where they are located, they can be called a typhoon or a cyclone also.