Kidneys that don't work well for longer than 3 months is called chronic kidney disease (CKD). It's dangerous, because you may not have any symptoms until a lot of damage, that often can't be repaired, has happened.
1 However, this portion of the ACT has 215 questions (about 48 seconds per question) compared to 170 questions on the SAT (about 1 minute per question).  The ACT test includes a science section; there is no corresponding section on the SAT.
Needless to say, you wonât know the answer to every ACT question. The question then becomes, what do you do when you encounter a question on the ACT exam that you canât answer. The ACT is scored by granting a point for each correct answer and by granting no points for each omitted OR incorrect answer choice.