Soil erosion is prevented by
Deforestation
Afforestation
Reduction of $CFCs$ production
Use of $CNG$ in all transports
Match the following:
Column - $I$ | Column - $II$ |
$(a)$ Ranthambore National Park | $(i)$ Assam |
$(b)$ Kaziranga National Park | $(ii)$ Rajasthan |
$(c)$ Jim corbett National Park | $(iii)$ Orissa |
$(iv)$ Uttarakhand | $(iv)$ Uttarakhand |
More than $70\; \%$ of world's freshwater is contained in
Using the figure, determine the percentage of bird species that will be lost if the island's inhabitable land area is reduced from $100,000\, km^2$ to $1\, km^2$.
$A$ : Island and area $(km^2)$
Which is not true regarding genetic diversity?
Estuaries are considered as nutrient rich and trap