How does the amount of
studying a student
does affect the
grade the make on
a test?

It truly varies on how well you know the material and how much material it is

Explanation:

such as if you study like 20 minutes a day for a week before a test you are more likely to do better because you have a better grasp on the material the teacher has given you or if its a very small amount of material 10 minutes a day 2 days before a test could do just as well but never try to do it all the night before most of the time it won't help

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.

portugal is the westernmost country in europe.