I guess formal and informal refer to two types of essay - you can write a formal essay where you avoid conversational language and such and where you need to be very professional, or you can write informally where you don't have to think about such things, it is very casual.
Answer:
It is simile u are correct
Explanation:
The bus will come on time, so don't miss it.
Answer:
1. I wanted to sink right through the pavement.
2. I didn't want them laughing at Grandpa.
3. I stood up to take the bag, somehow knowing I should.
4. [I] put the sacred sage in my medicine bag.
Explanation:
