Soil porosity is maximum in
Sandy soil
Clay soil
Silt
Loam
Soil porosity Sandy soil -Porous and loose Clay soil -Abundant capillary pores Silt soil -More porous Loam soil -Moderate porous
The average concentration of $CO_2$ in the atmosphere is
A bird enters the mouth of crocodile and feed on parasitic leeches. The bird gets food and crocodile gets ribs of blood sucking leeches. Both the partners can live independently. Such an association is
Warm blooded animals like mammals from colder climates generally have shorter ear and limbs. This is an explanation of
Rise in the temperature and air humidity can be observed from
World environment day is celeberated on
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