The use of prophylactic helped in reducing the death rate.

antibiotics

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Solution

The correct option is B vaccines
Vaccines help in guarding us from diseases. Prophylactic vaccines are given before a person is exposed to a disease. So, the death rate due to diseases decreased, leading to an increase in the population.

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Similar questions

What was directly responsible for the rapid rise of world population n the twentieth century?
(a) Increased food production
(b) Better transport facilities
(c) Better education and job prospects
(d) Use of antibiotics and prophylactic vaccinations

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The eighteenth century witnessed remarkable discoveries in medical science, especially the antibiotics and the prophylactic vaccination against many diseases.

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The use of prophylactic helped in reducing the death rate.

The correct option is B vaccinesVaccines help in guarding us from diseases. Prophylactic vaccines are given before a person is exposed to a disease. So, the death rate due to diseases decreased, leading to an increase in the population.

The correct option is B vaccines
Vaccines help in guarding us from diseases. Prophylactic vaccines are given before a person is exposed to a disease. So, the death rate due to diseases decreased, leading to an increase in the population.