In the following question, the word at the top is used in five different ways. Choose the option in which the usage of the word is incorrect or inappropriate.
Essential
1
The tickets are essential for us; they will give us all we need: comfortable quarters and a speedy return to our country.
2
Home fragrance oils are infused with essential oils to quickly fill any room with inviting scents.
3
A light equipped with fully-charged batteries is also an essential part of a miner's work gear.
4
The females have relatively large tusks, which are essential in obtaining their food.
5
Our last essential are a spare inner tube and a puncture repair kit.