Chemistry
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Related Questions
State two similarities and two differences between respiration and burning.
Define rusting. What are the two necessary conditions for rusting of iron ? Give the chemical name of rust.
(a) Why is nitrogen important to all living beings?
(b) What is nitrogen fixation?
Air pollution is caused due to :
- cutting of green plants
- smoke given out by factories
- gases like carbon monoxide, sulphur dioxide, etc.
- all of the above.