A lack of a color change can indicate there was no chemical reaction between two substances that were mixed. Hope this helps! :)
Hi!
I would say D, diphtheria, because it is eaisly prevented by a vaccine and it I'd a nose and throat disease.
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Answer:
unicellular organisms only have 1 cell.these are simple lifeforms. all functions of a living organism takes place within that one cell, because of this it has no ducts or tubes, it has no organs and thus has no organ system (eg:-circulatory system)
Example of unicellular organisms :- amoeba
Multicellular organisms are made up of more than one cell. these are complex organisms. there are exchange of nutrients and gases among different cells by different processes. they have organs and organ systems.
Example of multicellular organism :- Cat
Explanation:
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i would love brainliest....
Answer:
l think this is your correct answer