This one: "Lee noticed a problem and alerts a teacher".
The second verb should not have been changed to present tense.
You should change the verb alert to past tense: "Lee noticed a problem and alerted a teacher".
Aroma- the definition or "aromatic" is having fragrance or aroma.
! “And the kings of the earth, who have committed fornication and lived deliciously with her,
Shall bewail her, and lament for her, when they shall see the smoke of her burning,
Standing afar off for the fear of her torment, saying, Alas, alas, that great city Babylon,
that mighty city! For in one hour is thy judgment come .
The author fears the day of judgement .
The correct answer is the second one.