Answer:
C. Countries with low literacy rates often have weak economies and weak government
Explanation:
It remains a fact that technology is the bane of health care and it is literate people that control those technologies. When the literacy level is low, there is low advancement, low economies and weak government
Mountains because when two tectonic plates interact they create mountains
Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.
Industrial development resulting in pollution.