In a study it was found that 60% of total swine-origin influenza A patients during 2009
pandemic (as declared by WHO on June 11, 2009) were 18 years of age or younger. What
might be possible reason for this observation?
Answers
Answered by
9
Answer:
The process by which green plants and some other organisms use sun light to synthesize nutrients from carbon dioxide and water.
Similar questions