Agroup of scientists followed a set of steps designed to detect metals found in different sources of drinking water. the steps are shown out of order. arrange the steps so that they correctly describe the investigation as the scientists should have performed it.

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.

Hno2 + caco3 = h2co3 + ca(no2) can someone balance this

How to make a periodic table out of candy