Which era does th rock of the canadian shield date back to a. predcamebrain b. paleozoic c. mesozoic d. cenozoic

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Which three statements represent the benefits of performing experiments using computer simulations?