answer: b potential
because the object can, when interacted, become kinetic (falling down the tree). kinetic energy is energy in motion, while potential energy means it can become kinetic at any time.
some results for higher air temperature caused by global warming are rising sea levels that are caused by thermal expansion, melting of glaciers and ice sheets, and last but not least warming of the ocean surface.
answer: atomic mass- this is the weighted average of all of the isotopes of an element.