About how much water is recycled in the form of rains per year
$< 4.46 $ times $10^5$$>$ gram per year
$< 4.46$ times $10^{10}$$> $ gram per year
$< 4.46$ times $10^{20}$$>$ gram per year
$< 4.46$ times $10^{30}$$> $ gram per year
How much portion of the Photosynthetically Active Radiation $(PAR)$ is captured by the plants?
For recycling of materials which one is most necessary
Given below are four statements $(a-d)$ each with one or two blanks. Select the options which is correctly fill up the blanks into two statements.
$(a)$ Ecological succession is a...$(i)$... and fairly predictable changes in the ....$(ii)$... of a given area
$(b)$ Ecological succession, entire sequence of communities that successively change in given area are called ...$(i)$....
$(c)$ Primary succession occurs on...$(i)$...
$(d)$ Secondary succession is ...$(i)$... than primary succession
Which one has the maximum biomass
Energy for the detritus food chain comes from