Some mountain chains, such as the Himalayas and the Rockies, are tall and sharply peaked Other mountain chains, such as the Appalachians, are relatively flat and rounded. What causes these differences between
mountain chains?

I'm sorry i cant you if you don't list the elements : (

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source:

Try adding 700% because of the x in y