Which of the following accurately describes the ph scale?

a. the greater the concentration of hydroxide ions, the higher the acidity is. b. the greater the ph is, the lower the acidity is. c. the lower the ph is, the more basic the solution is. d. the lower the concentration of hydrogen ions, the higher the acidity is

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?