Answer:
Explain why it is not advisable to sterilise a clinical thermometer on boiling water at normal atmospheric temperature. A clinical thermometer has small temperature range. The glass will crack/burst due to excessive pressure created by expansion of mercury.
Answer:
Z
Explanation:
The purple and yellow rays from the same point on the object are shown converging at point Z, where the image will be.
No thats false. If your trying to say is true that people BELIEVED that then yes its true people believed it but if your talking about that question then its false
Answer A
Explanation: because u need to make sure you know the difference between a need and a want