The answer is letter
D.
Non-communicable disease
are non-infectious and non-transmittable. They refer to chronic diseases of the
body which last for long periods of time and has a nature of slowly
progressing. Diseases include stroke, cancers, diabetes, asthma, kidney
disease, among others. These diseases are directly link to a person’s genes,
diet choice, and poor air quality. Since these diseases are chronic in nature,
chronic treatment is also necessary. If left untreated the diseases may lead to
different complications in the body or worst, death.
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Your answer to this is most likely:
He discovered many other important elements.
