A Londoner tells his friend to check the boot of the car while a Bostonian asks his friend to open the trunk of the car. This is an example of what kind of language difference?
A. More chlorophyll a was produced in response to the light exposure.
B. The cyanobacteria were dying and were changing color in response.
C. The cyanobacteria have various photosynthetic pigments to absorb light.
D. More green photosynthetic pigment was produced to absorb light.
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