15. Calculate the hydrogen ion concentration of a solution whose pH is 2.4
A 3.6 x 0.01
B 2.5 x 0.0001
C 2.5 x 0.01
D 7.0 x 0.01

Which of the following best describes the formation of plasma?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery