Question

scientific knowledge has, in some cases, led to
a. decreased life - expectancy
b. a decrease in the gap between developed and developing countries
c. a better quality of life
d. all of the above
please select the best answer from the choices provided
a
b
c
d

Explanation:

Scientific knowledge has generally led to improvements in life - such as better medical treatments which increase life expectancy and enhance the quality of life. While it has not necessarily decreased the gap between developed and developing countries in all aspects, in terms of life - quality improvements due to medical, technological, and other scientific advancements, it has led to a better quality of life. Option a is incorrect as scientific knowledge has increased life expectancy. Option b is an over - generalization as the gap still exists in many areas. Option c is correct as scientific knowledge has led to better healthcare, technology, and living conditions.

Answer:

C. a better quality of life