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Mrac [35]
3 years ago
12

Example of a real world problem when light bends when it passes throught

Biology
1 answer:
marshall27 [118]3 years ago
4 0
The light ray bends toward the normal when entering water
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4. B cells become activated by interacting with helper T cells.  

1. B cells display antigens in MHC class II receptors on the cell surface.  

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