Which of the following equations best describes heat conduction through a single sheet of material?
A. solids only
B. liquids and gases Inly
C. liquids only
D. Liquids, solids, and gases
ANSWER ASAP WHICH ONE IS IT

An experimental procedure requires a 10 ml of acid to be dissolved

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.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166