Melting, freezing, and boiling are changes.

state

nuclear

compound

phase

On a distance vs time graph the line of an object at rest is a

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?