What is the difference between refraction and reflection? Refraction only happens in gases.
In refraction, light travels from one medium to another.
Reflection only happens in gases.
In reflection, light travels from one medium to another.

What is the bottle's speed, as a percentage of the ball's incoming speed?

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

What will happen to a firms profit maximizing quantity in the short run if there is a significant increase in rent