Answer: Im pretty sure it just depends on the marble, like if they have something in them then yes, but just think, lots of things have layers but the answer is no
Explanation: plz mark braines, have a good day :)
Could you give the options plz? :)) if not you can look up discriminations of astronomy and use the process of elimination to find your answer
Answer:
It's the tundra
Explanation: I say that because the tundra, which literally means "treeless plain," is the coldest biome. Extremely low temperatures, limited precipitation, a short growth season, minimal biodiversity, and nutrients in the form of decaying organic matter are all characteristics of tundra.
Answer: <u>B. They signal phagocytes
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Explanation: Complement proteins are a part of immune system of the body. These are plasma proteins which help in the process of marking and killing the pathogens. These are not involved in the fever causing mechanism, so option D is incorrect. Also, these are not carrier proteins, and are not associated with hormones, thus option C is also incorrect. Since these proteins bind with the pathogens and make them easily recognized by the phagocytes, option B is the right answer.