Arrange the following sound waves according to speed from the slowest to the fastest: the sound waves in steel, the sound waves in cold air, the sound waves in water, and the sound waves in hot air.

The basic concept that needs to be understood is that sound travels faster through a dense medium. Now if we check the options given in the question, then they should be arranged in the manner given below. 
1. The sound waves in hot air. 
2. The sound waves in cold air.
3. The sound waves in water.
4. The sound waves in steel.

Iread this book last year so take this with a grain of salt.gene jumps from the tree to compete with finny due to the fact that gene is always trying to do better than finny. he is put under the grasp of peer pressure due to finny almost forcing him to do this. ever since he first jumped finny kept pressuring him to jump since he thought gene enjoyed jumping.rather than uses this answer you should probably just reread chapters 3-4