Question

Which are the factors that contribute to the decaying process of the materials?
A. Sunlight, water, soil and action of microorganisms
B. Sunlight, air, soil and action of microorganisms
C. Sunlight, air, sand and action microorganisms
D. Sunlight, water, soil and action microorganisms

Answer 1

Answer:

B.Sunlight, air, soil and action of microorganisms

Answer 2

(B).Sunlight, air, soil and action of microorganisms are the factors of the decaying processed in materials.

Explanation:

• Environmental biotechnology employs the microorganisms to improve the efficiency and the cost, in order to reduce the environmental problems regarding toxic substances.
• Because of the important role of microorganisms in a wide range of ecosystems and deterioration processes, a deeper understanding of the microbial action on contaminated sites is necessary to sustain and preserve the environment.
• A microorganism is a microscopic organism, which may be a single cell or multicellular organism. Microorganisms are very diverse.
• Their classification can be done considering numerous criteria: form, size, habitats, nutrition, $O_{2}$ growth requirements and methods of reproduction.