Which of the following constructions requires two folds when using the paper folding method?
a. parallel lines
b. perpendicular line segment
c. midpoint of a segment
d. angle bisector

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

c.)

step-by-step explanation:

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