When a ball at the top of a hill starts to roll down, what energy transformation occurs?

A graviational -> kinetic -> light
B kinetic -> graviational -> thermal
C gravitational -> kinetic -> thermal
D thermal -> graviational -> kinetic

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?