What happens to the potential energy of a car parked at the top of a hill if you double the mass of the ca

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which best represents the law of conservation of mass ?

Explain why you think this diagram shows what happened to the carbon in the biodome.