Answer:
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Explanation:
In general, photosynthesis in cyanobacteria uses water as an electron donor and produces oxygen as a byproduct, though some may also use hydrogen sulfide a process which occurs among other photosynthetic bacteria such as the purple sulfur bacteria. Carbon dioxide is reduced to form carbohydrates via the Calvin cycle.
The answer is, 43 km/hr . Speed is,

So we will divide the given distance to the given time, so :
B) Geothermal energy
It is heat within the earth
C the trait is passed on genetically to the next generation