What is the best definition for biogeochemical cycles?

a
pathways by which carbon and water are transferred between organisms and the environment

b
pathways by which matter is transferred between organisms and the environment

c
pathways by which phosphorus and nitrogen are transferred between living organisms and the environment

d
pathways by which waste is transferred between organisms and the environment

The correct answer is b

Explanation:

A biogeochemical cycle corresponds to an exchange of different elements such as carbon, nitrogen, water, phosphorus, nitrogen, carbon and other elements, between living beings and the environment (either decomposition or production processes).

The best definition for biogeochemical cycles is the pathway by which mattress transferred between organism and their environment.

Therefore, the correct answer to the question is option b.

Explanation:

Biogeochemical cycles are the continuous cycle which occur between environment and organisms. In this cycle both the environment and the organism are benefited. The matter which is essential for the organism is taken by them to live their life. And in return they release the materials back into the environment.

The release material is consumed by the the plants, trees, Earth and converted back into the material which is important for the organisms. While converting back the environment is benefited in its various ways.  

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for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .