Im gonna cry this is my 4th time asking and im running out of points

What is king afonso willing and unwilling to do in return for the portuguese

Thayer sometimes finds it difficult to understand what his instructor is saying. he raises his hand in class and asks his instructor to elaborate on what was just said, but it rarely . what should thayer do to overcome this obstacle? a. during class, ask other students what the instructor means b. raise more questions in class c. join a study group of his peers d. try to do the best he can with the information he has

List and define the two main problems when heavy pumping of wells occurs?