Sorry i can’t help sorry good luck tho!!!!
Answer: The spectral range of indigo is between 450 and 420 nanometers. The name of the color indigo originally came from the indigo plant. Indigo is a dye made from the indigo plant, used to dye cloth.
Explanation:
The Wheel & Axle. The wheel has always been considered a major invention in the history of mankind
The Inclined Plane
The Wedge
The Pulley
The Screw
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➷ Speed = distance / time
Substitute in your values:
Speed = 720 / 8
Speed = 90
They traveled 90 miles per hour
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