C. Observation because you observe the information
Answer:
physical labels or identifiers
Explanation:
i think that's what you're looking for
Cause when viruses disperse there gone to evolve then come back once they evolved to try to make things sick yet again.
1.keep immunization up to data
2. wash your hands more often
3. prepare and handle carefully
4. Use antibiotics only for infection caused by bacteria
Explanation:
Hope this will help you we learn this in the school
