Question

discuss biological method of study and their application
give long answer (the answer must contain 9-10 lines)
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Answer 1

Answer:

Biological techniques are methods or procedures that are used to study living things. They include experimental and computational methods, approaches, protocols and tools for biological research.

Answer 2

Answer:

The biological method refers to bioremediation, in which biological processes (microorganisms) are used to degrade and metabolize chemical substances and restore environment quality. It is a cheap, sustainable remediation method, and yet benign to the environment. Biostimulation and bioaugmentation are two types of bioremediation methods. In biostimulation, nutrients are added to stimulate the growth of the microorganism, while in the case of bioaugmentation, microorganisms are added to existing native oil-degrading population. There are only a few microorganisms capable of digesting the petroleum hydrocarbons. The microorganisms assimilate organic molecules into their cell biomass and release carbon dioxide, water, and heat as byproducts. In the case of a marine oil spill, microorganisms with the ability to degrade hydrocarbons are ubiquitous in the indigenous oil spill site. Both paraffinic and aromatic hydrocarbons can be degraded by a variety of microorganisms but have different degradation rates. The biodegradation of an oil spill in the marine environment is mainly affected by the bioavailability of nutrients, the concentration of oil, time, and the extent to which the natural biodegradation had already taken place.

Explanation:

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