<span>it's necessary to add a helping verb.</span>
Answer:
b. it is weak because it does not provide details about Harriet Tubman's life.
Explanation:
I think that's pretty self explanatory.
A. because, as a result, therefore
Imagine you are reading and you find a confusing part or word. If you don’t ask the question to find out you will never know what that meant same goes for scientists
