The answers are in the picture. this us the question, An increase in carbon dioxide production has led to an increase in global
temperatures, which is causing glaciers to melt faster. If this trend continues, how will animals living in the polar regions be affected?
2 answers:
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Explanation:
For a compound to show hydrogen bonding it is necessary that the hydrogen atom of the compound should be attached to more electronegative atom like fluorine, oxygen or nitrogen.
For example, ,
and
all these compounds contain an electronegative atom attached to hydrogen atom.
Therefore, these pure compounds will exhibit hydrogen bonding.
Thus, we can conclude that out of the given options ,
and
are the pure compounds which will exhibit hydrogen bonding.