How many non-bonding electrons are present in PO43- ? Group of answer choices

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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.

What conclusion can you draw from this experiment about the components of the black ink?