9 It is sometimes very difficult to detect the smell of a small amount of ester, especially if the
smell of the carboxylic acid is stronger than that of the ester.
2.9.1 Suggest a solution to increase your chances of smelling the ester.
(2)​

3

explanation:

28528289 29823282 8298232 39858

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms