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What does the chemical makeup of the cells of an organism tell scientists about its evolutionary history? Logic help! Derivation problem. (P \/ S). (~P \/ ~S). (P \/ ~S). (~P \/ S). Therefore Q. How would I go about showing Q? Derivative of sin x? In case of steady state flow, the velocity of any fluid particle is
a) variable
B) constant
C)zero
D) never zero? An object is thrown vertically upward at 35 m/s. Taking g = 10 m/s2, the velocity of the object 5 seconds later is ?