The purpose of a hook in an intro is to grab the reader's attention.
Answer:
A firm in economics a company that functions in order to make some profit.
More clearly to say A firm is a for-profit business, usually formed as a partnership that provides professional services, such as legal or accounting services.
1427 I think that’s all the rats in heaven
That. I doubt you want a long explanation, but I must give one, so, simply. woodpeckers are animals, which are referred to as it or that. Rude, huh?