How do i keep myself awake? im trying to finish all my work that has to be turned in by tomorrow
and im sleepy.
my eyes keep closing, i wont be surprised if i wake up with keyboard marks on my face .

Which of the following attitudes is not likely to lead to unsafe decisions? a. anxiety b. composure c. overconfidence

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio