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arealhero arealhero
wrote...
Posts: 7874
9 years ago
Which of the following statements about carbon dioxide concentrations is true?
a. They show no seasonality; they increase more or less linearly.
b. They are highest in the summer, because high temperatures accelerate metabolism.
c. They are highest in the spring and fall, coinciding with upwelling.
d. They are highest in the winter, because winter photosynthesis rates are lower than winter respiration rates.
e. They are highest in the winter, because air is densest in the winter.
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milestone23milestone23
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Posts: 9919
9 years ago
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arealhero Author
wrote...
9 years ago
This is perfect, thank you for the answer.
wrote...
9 years ago
Great!
Retired master
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