What are the sign and magnitude of a point charge that produces a potential of –2.00 V at a distance of 1.00 mm?

Phase changes are chemical changes. true or false

Which governments provide garbage collection services to homes and businesses

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