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What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

Name two kinds of practical electric pumps.