Question

11)There is always a cycle of CO2 running in the atmosphere due to which the concentration of CO2 remains constant in the atmosphere. Choose the correct sequence of this cycle: *

A) CO2 in atmosphere→ decomposers → organic carbon in animals → inorganic carbon in soil

B) CO2 in atmosphere → organic carbon in plants →organic carbon in animals → inorganic carbon in soil

C) Inorganic carbonates in water →organic carbon in plants → organic carbon in animals → scavengers.

D) Organic carbon in animals → decomposers → CO2 in atmosphere →organic carbon in plants

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Answer 1

Answer:

The concentration of carbon dioxide in Earth's atmosphere is currently at nearly 412 parts per million (ppm) and rising. This represents a 47 percent increase since the beginning of the Industrial Age, when the concentration was near 280 ppm, and an 11 percent increase since 2000, when it was near 370 ppm.

Answer 2

b) option is correct ....