Question

question 4 of 25
in the some areas of africa, droughts have caused clean drinking water sources to dry up. how would technology most likely be useful for this region?
a. caring for an aged population
b. purifying dirty water
c. development of transportation
d. development of high - speed communication

Explanation:

The main problem is lack of clean - drinking water due to droughts. Technology for purifying dirty water can provide an alternative water source when clean natural sources dry up. Options A, C, and D are not directly related to solving the water - shortage problem.

Answer:

B. Purifying dirty water