Answer: Similes
Explanation:
Because they were comparing with the word like.
The dependent variable is that she bites her nails. Being nervous is an independent variable due to that it doesn't depend on anything said. However, in order for her to bite her nails, she has to be nervous as stated.
Answer:
People are happy singing them
Explanation:
singing can bring joy or express emotion to a person or thing.
Answer: two pieces of chewing gum
Explanation: