Number one is A
number two is A
Answer:
I belive that its C but if that is wrong then its B
Explanation:
A glass bottle would sink instead of floating if there was no air inside of it
When centrifuging biohazards, it is recommended that the safety buckets and sealed rotors be: Loaded and unloaded within the biosafety cabinet.
<h3>What is meant by centrifuging biohazards?</h3>
This is the term that has to do with the user of centrifugal force in the separation and the removal of substances in liquid as well as in solid materials.
What is required is that When centrifuging biohazards, it is recommended that the safety buckets and sealed rotors be: Loaded and unloaded within the biosafety cabinet.
Read more on Biohazards here: brainly.com/question/10686710
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