Why do u keep making this question?
Answer:
Lack of sleep.
Explanation:
Lack of sleep/tiredness is really bad for your reaction time.
It means a revervoir that is man-made (not natural).
To compare what your knowledge was on the subject before and after and to see how much you learned throughout the whole process, how much knowledge you obtained...
HOPE I HELPED MAKE SURE TO MARK AS BRAINLIEST!!
-"UNICORN"
They are antiparallel. One strand goes 5'-3' and the other goes 3'-5'