B.
It's not a naturally occurring substance.
Is the correct choice.
This experiment was noteworthy because it <span>disproved the theory that maggots could be spontaneously generated from meat. He was the first to do a </span><span>controlled experiment. Spontaneous generation is the theory that life forms can be generated from inanimate objects.</span>
Some cats immune system's are weak. Your cat can tell you if she is ill and her symptoms with her body language.
Answer:
oxygen because oxygen is the life supporting component of the air
Answer:
Disinfectants are chemical agents that are used to kill or destroy microorganisms and applied only to non-living objects.
Yes, Jane can use outdoor Kennels to clean the exam rooms.
<u>This is so because disinfectants used in outdoor kennels are also used for cleaning viruses and bacterias that are harmful for human interaction as our pets live there and they have close interaction with us, so it is safe if it will be used to clean the exam rooms.</u>
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