Which salt is the most common found in ocean water? magnesium

calcium carbonate

potassium

sodium chloride

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

What is the atomic number of an atom that has 6 protons

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.