Continental Hot Spots – Yellowstone Hot-Spot Trail. Use the Path tab on the Ruler tool to measure the distance between the Problem 21 placemarks (cm) along the hot-spot trail. Calculate the average velocity of the North American Plate in cm per year, using 16.5 Ma and 0.63 Ma for the two placemarks. a) ~1.9 cm per year
b) ~4.2 cm per year
c) ~8.8 cm per year
d) ~15 cm per year

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

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