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jok3333 [9.3K]
3 years ago
8

A, B, AB, and O blood groups are distinguished by:

Biology
1 answer:
notka56 [123]3 years ago
8 0
They are distinguished by proteins on the erythrocytes.
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Which of the following best identifies some of the transport substances in animals?.
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Hormones travel through the body

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How did cyanobacteria affect Earth's early atmosphere?
hammer [34]

Answer:

The correct answer is option - C. They replaced carbon dioxide with oxygen in the atmosphere.

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Leto [7]

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