Answer: Oxygen has a charge of -2 when bonding
An artificial heart has been altered by man in some way. Like if they had a valve replaced it becomes artificial.
You need more context for people to answer the question. We can’t respond with so little. We need to see the sentence so we can answer you problem.
The answer would be B. Cats.
Cats are the most advanced organisms between the options thus have the greatest amount of cell specialization.
Best Answer: well, organisms of the same genus have very similar characteristics... so its easier for scientists to infer something about one species when they have another species classified as very similar.<span>
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