(b) The cycles (carbon and nitrogen cycle) involves phases of weathering of rocks, uptake and storage by organisms and return to the pool of soil, the atmosphere or ocean sediments.
(a) Flow in both the tubes are steady.
(b) Flow in both the tubes are turbulent.
(c) Flow is steady in A but turbulent in B.
EXPLANATION:
Since double the volume passes in B at...
Conservation of minerals is important for the following reasons:
(i) Minerals are exhaustible.
(ii) They are limited.
(iii) Minerals have manifold uses.
(iv) Growth of industrialisation has accelerated the extraction of minerals.
We can conserve...
Nuclear or atomic energy is obtained by altering the structure of atoms. When such an alternation is made, much energy is released in the form of heat and this is...
(b) Abiotic components of ecosystem are the nonliving features of ecosystem on which the living organism depends. It is basically referred to the physical environment and its numerous interacting variables.