The answer is DNA ends. These ends often overhangs and anneal with another DNA end, forming a new base form. These ends will anneal with the use of hydrogen bonding which can help stabilize the ends. However, certain prerequisites must be followed to maintain the bond.
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Answer:
threaten the food webs of their invaded habitat and effect the ecosystem.
The correct answer is option A,
Reason - The density of outer core is less than the density of inner core density and thus among all the given options the more probable answer is option A