MEDIUM
9th CBSE
IMPORTANT
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Biotic component of biosphere is not constituted by

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Important Questions on Natural Resources

MEDIUM
9th CBSE
IMPORTANT
An increase in carbon dioxide content in the atmosphere would not cause
EASY
9th CBSE
IMPORTANT
Oxygen is returned to the atmosphere mainly by
MEDIUM
9th CBSE
IMPORTANT
Low visibility during cold weather is due to
 
MEDIUM
9th CBSE
IMPORTANT
Growth of Lichens on barren rocks is followed by the growth of
EASY
9th CBSE
IMPORTANT
Marked temperature changes in aquatic environment can affect
EASY
9th CBSE
IMPORTANT
Soil erosion can be prevented by
EASY
9th CBSE
IMPORTANT
What happens when rain falls on soil without vegetational cover?