During the Carboniferous period, photosynthesis in immense swamp forests removed ________ from the atmosphere, which produced a drier, cooler global climate and promoted the success of ________

A) oxygen; ferns
B) oxygen; seed plants
C) carbon dioxide; lycophytes
D) carbon dioxide; seed plants


Answer: D

Biology & Microbiology

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Biology & Microbiology

hemoglobin synthesis

What will be an ideal response?

Biology & Microbiology