Answer:
-Respiratory diseases like asthma, bronchitis etc, are very common among these workers
-The workers suffer from various skin infections
-Other health problems include headache, fever, back pain, neck pain, ect.
Explanation:
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Answer:
Retroviruses or reverse transcriptase
Explanation:
Retroviruses are viruses in which the genetic material consists of ribonucleic acid (RNA) instead of deoxyribonucleic acid (DNA). Retroviruses produce an enzyme known as reverse transcriptase that uses RNA as a template to manufacture DNA, which can then be permanently integrated into the DNA of the infected host cells.
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Circulatory system.....circulates blood (a vital delivery system of oxygen) throughout the whole body when tissues need it the most and with a constant supply.
Answer:
During the 3rd month the eyes, ears, nose, jaw and neck form along with the arms, legs, fingers, and toes.
Explanation:
Cancer is uncontrolled cell division.
