Question #6403592Single Choice
Writing and Reading
Question
Recently, the company signed a license to use solar-power refrigeration stems technology. The goal is to develop and market one of the first battery-free solar-powered refrigerators suitable for safely storing vaccines.
Options
A
NO CHANGE
B
vaccines that provide immunity against disease.
C
vaccines in a protective container.
D
vaccines, which must be kept cold.
Answer & Analysis
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