It needs at least 4 hours to grow to cause illness :)
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Answer: C that protists are single-celled organisms
Explanation:
I hope this helped!
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- Zack Slocum
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Answer: Micro villi
Explanation:
The cellular structures that increases the superficial surface area of the cell is known as micro villi. It is an extension of cell membrane.
This structure helps in the increasing the surface area for the maximizing the absorption of food materials.
It also helps in providing a large area in a very compacted space. It is found at many places in the human body such as in small intestine.
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
