Hello!
Don't hold me on it, but I think your answer would be A, bacteria.
Enjoy.
~Isabella
Answer:
Just look up each of those words and their stages. This will surley find you your answer!!
<span />In short it's a membrane that receives vibrations from the air. That air is then transitioned into the auditory ossicles. Those are bones that I assume carry air. They are located in the middle ear cavity, which is know as scientifically; tympanic. c:
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It seems that you have missed the given options for this question, but anyway, the correct answer is BIOLOGICAL CATALYSTS. <span>In living cells chemical processes such as synthesis all require the action of biological catalysts. Biological catalysts are enzymes that speed up the chemical processes in the body. Hope this answer helps.</span>
Yes, you're correct, it's the first one. He should do research before he does an experiment, because someone else may already know.
