Which of the following substitutions can help reduce air pollution? using a bike instead of a car
O using dumps instead of landfills
O using coal instead of oil
O using fireplaces instead of a wind farms

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explanation:

this transfer is call conjunction

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.