Your teacher decided to run a marathon. During a marathon, participants all run 26.2 miles. Your teachers finishes the race in 5 hours. What is the average speed your teacher moved at during the race? (Include decimal points in your answer

How many atoms of nitrogen are in the chemical formula ni(w on

Difference between series and parallel circuits

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature