Answer:
The most abundant noble gas in atmosphere is Argon
Answer:
Reproductive isolation is the very factor that causes the development of what we call "species" according to the biological species concept. The reason cats and dogs are different species is that they can't mate, so we call them "reproductively isolated."
An example for life for an animal and plant are that the both require foods to live. Animals hunt there own food but plants make there own due to photosynthesis. But they are similar because they both require food to continue living. There are many more characteristics but that is just one common one.
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