Answer:
1. To test the amount of knowledge retained by students in a certain period of time
2. To test teachers if they've been doing their job correctly, for example, if too many students have low grades it means the teacher most likely wasn't doing their job right
Answer:
Click on your profile pic on the top right of your screen.
Scroll down to where is says account settings.
Click on Subscription. And it should be there.
Explanation:
Repairing is the correct word...it implies that Nelson knows what he is doing