Don’t quote me all this but I think it may be c
The HPV vaccine primarily protects against strains #16 and #18.
Answer: #16 or #18
Answer:
Explanation:
If the first body has a higher temperature than the 20°c one, then the 20°c body has been outside for longer as the average body temperature is 37°c. And if it has a lower temperature than the 20°c body, then it's been outside for a shorter time as it hasn't lost as much heat.