Which of the following best describes the relationship between developing nations, clean water, and human health?
A. Many developing nations lack access to clean water; this can harm human health.
B. Clean water is never available in developing nations, so human health is always a major issue
there.
C. Human health does not depend on clean water; health issues in developing nations are not related
to water.
D. Contaminated water and human health is not a problem in developing nations, but it is a problem
in developed nations

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water