Answer:
The answer is "Option C".
Explanation:
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Its final response was too expensive "renowned British Jet propulsion Lab organizational success Mark Adler writes in 2015. " renowned British Pulse Jet System manager, Test Douglas writing in 2015, in which the Reagan uses this section in a persuasive address to restore optimism for both the space industry of America.
<u>Answer</u>:
Vestigial organs are those organs that were present in the past ancestors but absent in their present generations. Vestigial organs are not leftover of evolution because they are evolved to perform a different function.
<u>Explanation</u>:
For example, an appendix is considered as a vestigial organ but it helps in storing good bacteria and plays a vital role in the immune system. These vestigial organs are the product of changing the environment and adaptation to the changing environment. Due to natural selection some specific traits have been passed down to generations which helped the animals to survive in those conditions. The other examples of vestigial organs are wisdom teeth coccyx, tonsils, several genes in the chromosomes and our hair.
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies id known as bioremediation.
Bioremediation is the branch of biotechnology which deals with the use of living organisms, like microorganism and bacteria, in the removal of pollutants, contaminants, and toxin from soil, water. It also used to clean up oil spills or contaminated ground water.
In this method, the microorganism grow or work under suitable condition, after the growth of microorganism, these microorganisms eats up toxic waste and digest them to release out gases like ethane and carbon dioxide.
Not all bacteria, fungi are useful in bioremediation method, only some microorganism are used to detoxify the pollutants. Example in oil spills pollutant the microorganism used is Pseudomonas putida.
To learn more about microorganism here
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