Answer:
D I think
Explanation:
w t f kind of question is this anyway... are you talking about people
First plan to revise consistently over a long period of time
Second revise in small chunks of time with breaks in between
Third
Learning across all subjects
Fourth practice recall
Fifth practice answering
Sixth identify misconseptions
Seventh practice key procedures
Eighth eat properly
Ninth appropriate levels of sleep
Tenth regular exercise
You dont need commas for that sentence
The answer to this question is A, lack, students