Atrain travels 210km in 3 hours 45 minutes. what is the average speed in kilometers per hour?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave