What is green house?

(i) Make a neat and labelled sketch of nitrogen cycle in nature. (ii) Describe in brief the role of nitrogen fixing bacteria and of lightenng in fixing atmospheric nitrogen. OR (i) Draw a neat labelled sketch of carbon cycle in nature. (ii) What is green house effect? How does carbon dioxide cause global warming in the atmosphere.

What is a green house ? Why is air warmer in green that outside ?

What are green house gases?

What are green house gases ?

What are green house gases. How are they responsible for global warming ?

What is a 'green house' effect ? How is this phenomenon used for growing plants especially in winter ?

What is a 'green house' effect ? How is this phenomenon used for growing plants especially in winter ?

What is the green house effect?