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v) Carbon dioxide is important for photosynthesis

true

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... However, photosynthesis doesn't just drive the carbon cycle — it also creates the oxygen necessary for respiring organisms.

Explanation:

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Crown me as brainliest:)

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

i think that d. wind is the answer.   i missed the question when i answered a. currents.