Class VI

A thin layer that is held in place by gravity and provides us with oxygen is known as
  1. temperature
  2. season
  3. atmosphere
  4. weather
Nitrogen gas and nitrogen compounds, both have very important
  1. industrial uses
  2. domestic uses
  3. space uses
  4. none of them
Photosynthesis occurs during the
  1. night
  2. day time
  3. evening
  4. none of them
In respiration glucose and oxygen combine together to form
  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen
. Moisture capacity of air is called
  1. vapors
  2. humidity
  3. moist
  4. wet air
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