HEL PLEAS Why is it impossible for a solution to become both more basic and more acidic at the same time? (1 point) A) H+ and OH− ions cannot exist in the same solution.
B) An increase in H+ concentration will decrease OH− concentration.
C) H+ and OH− react to form water (H2O).
D) Acids only release hydrogen ions in the presence of bases.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)