B) Gene therapy involves replacing faulty genes with normal working genes in order to provide a cure for a genetic disorder.
nitrogen<span> gas into ammonia used in fertilizers ammonia is converted to nitrates by nitrifying </span>bacteria<span> in the soil.</span>
<u>Answer</u>: C. competency and proficiency
<em>Competency and proficiency’ guiding principle of forensic science states that a forensic scientist should be committed to lifelong learning.
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<u>Explanation:</u>
A forensic scientist should be well aware of the <em>new technologies</em> and should have the expertise in using this new technology and equipment. The seriousness of the role that a <em>forensic scientist</em> is engaged in makes it necessary for him to be a continuous learner throughout his lifetime.
<em>Professionalism guiding principle</em> explains the need for a forensic scientist to remain impartial and conduct fair examinations. Clear communication principle mentions the importance of accuracy and clarity in a <em>forensic science report.
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