Achild's first bycicle has 12- inch tires. these tires have a 6-inch radious .how far does the bicycle move foward each time the wheel makes one complete rotation?

Aray diagram for a refracted light day is shown. what does the dashed line represent

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.