The color produced by fireworks is all due to the chemicals inside the firework itself. Which of these would describe a firework that looked violet?

Which fators influence ocean currents

What are some important factors to consider when choosing a warm-up before your workout?

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?