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nexus9112 [7]
3 years ago
15

Which statement about the burden of childhood illness in the under-5 age group is true?

Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

b

Explanation:

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It is believed that this is the result of an ancient endosymbiotic relationship between a protist and a eukaryotic cell. The protist generates energy that the eukaryotic can utilize in its growth and reproduction while the protist is sheltered. This relationship became obligatory symbiosis over time.






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