Mention at least one of the difficulties in identifying material based on their indexes of reflection

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

volts times amps 6 x 0.5 3w

so easy. just google the electromagnetic waves and it’ll pop up.

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