Question 19 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. Development of transportation
B. Purifying dirty water
C. Development of high-speed communication
D. Caring for an aged population
SUBMIT

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.