How many Km is a marathon: 26.2 miles? Show your work. The answer converts miles into km.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

When a septic tank backs up a goes in to clean it out

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.