Ingrid is jogging at 9 km/h, she tosses a relay stick at 16 km/h to her teammate. how fast is the relay stick moving relative to ingrid ?

Several processes form metal ore. match each process to its description. volcanic activity weathering hydrothermal energy rocks break down as they interact with air and water. arrowright density differences and other factors cause metals to concentrate in igneous rocks. arrowright seawater heats up from contact with hot rock, and metals dissolve in it. the water rises and contacts cooler water, causing metal ores to settle on the ocean floor. arrowright

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.