Which of the following can be used to improve and protect water? A. wetlands B. Solar ovens C. UV rays D. Earth observation technologies?
1 Answer
Jul 5, 2017
e) All of the above.
Explanation:
The four options are useful techniques to 'improve and protect' water quality:
a) Wetlands maintain water quality by filtering and removing sediment or pollutants.
b) Solar ovens or cookers clean water similar to boiling.
c) UV rays can be used to disinfect water by wiping out harmful microorganisms such as bacteria.
d) Earth observation technologies as a group definitely help us study and find innumerable new ways to improve water quality.
