compound
Explanation:
it could be two different sentences but where slapped together
Extremely level especially to much so. For example, There are no hills; this terrain is flat as a pancake. this simile dates from the 1500s and has survived it's contemporary,flat as a flounder. it is sometimes used either disparagingly or ruefully,to describe a small breasted woman.
For this reason..
Usually they use this phrase to explain why something had happened in this case it could be referred to the solution
Answer:
needed , not optionl. required by law
Explanation: