Make a island with all renewable energy soursws and how it works and about it but at year 9 level

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 lists the organs in the correct order as food passes from the mouth to anus?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?