Answer:
SODIS is a method of purifying water using clear plastic bottles and natural sunlight.
The UV rays produced by the natural light kills any bacteria, virus, or other harmful substances.
Answer:
recognition
Explanation:
According to my research on problem resolution procedures, I can say that based on the information provided within the question the designer is in the recognition stage of problem resolution. This is the stage in which the individual recognized and identifies the problem that they are dealing with in order to find then be able to find the best possible solution. Which is what the designer is doing by listening to Marlene's voicemail in order to identify the problem that she is having.
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