Answer:
A carboxylic acid is an organic acid that contains a carboxyl group attached to an R-group.
Explanation:
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#Good day
God over the underworld. he rules the underworld
Answer:
some biggest challenges are
i) i need to control myself from wasting money on unimportant things .
ii) i have to use public transport often .
ii) i have to also face problem regarding my extra expenses such as dress , food and should buy how much i need .