Carbon cycle occurs through
(a) Atmosphere (B) Ocean
(c) Living organisms (d) Dead organisms

Ozone layer of atmosphere protects the living organisms from

Ozone layer of the Earth's atmosphere is important for living organisms because it

Growth in living organisms occurs by

Growth in living organisms occurs by

Carbon dioxide assimilation occurs through (a) Krebs cycle (b) Calvin cycle (c) Glycolysis (d) Anaerobic respiration

Carbon stored in the atmosphere and ocean is called