The arrow is pointing to a cavity called a that is normaily filled with

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A: Hydrogen bonding is attraction between hydrogen atom to more electro negative atom.

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A: Answer 

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

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A: Pest populations are heterogeneous and there exchange of genes between local populations is true.

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A: Solution : correct option is C

Q: insect'

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