<span> the error occurs at random during the formation of an egg or sperm.</span><span>Down syndrome is caused by a random error in cell division
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Hello There! ^_^
Your question: What gas found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood..?
Your answer: Carbon Monoxide is the gas that is found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood.
Hope this helps! :D
A group of same kind of cell is called tissue
Answer:
be sure it is D
Explanation:
all all of them sound very correct and and I can tell a lot of it is right.
The answer is B, it is the only answer that talks about electric signals.