Answer:
lack of teachers
Explanation:
lack of teachers some schools the teachers are not enough .And some teachers are not professional so they fovnd it difficult to teach
Parenthetical citations are in-text citations to document outside sources within a document, usually located at the beginning of the sentence that is being paraphrased or quoted. Include authors last name and page number
I think the reaction force is on the ball because u are using your hand to push so the force u pulled will react on the ball
i hope this helps