The branch of Botany dealing with the distribution of plants on the earth's surface is called
Ecology
Phytology
Phytogeography
Phytosociology
Ozone hole means
$A$ : Estuary constitutes one of the most productive ecosystem.
$R$ : It represents transition zone between two populations of a species.
What will be the environmental consequence of $25\%$ increase of $CO_2$ level in our atmosphere
In which one of the following habitats does the diurnal temperature of soil surface vary most?
One of the effects of dust is to cause