plz answer this scientific question
Attachments:
Answers
Answered by
0
Answer:
yes they are boon to human community but still precautions are better than cure..
search on internet
Similar questions
Science,
1 month ago
Math,
1 month ago
Computer Science,
2 months ago
Physics,
2 months ago
Math,
10 months ago
Social Sciences,
10 months ago