Mark and ann took a two week hiking trip through yosemite national park. while hiking through the park they witnessed two large blocks of rock break away from glacier point. what is the initial transfer of energy that accelerates the rock down the side of the mountain?

Potential energy is converted into kinetic energy.

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance