Starting at the top, if you cut a square pyramid in half using a single cut, what is the shape of the newly-exposed section?

a. square
b. rectangle
c. triangle
d. pentagon

plz , .

if i put something wrong your not gonna like it so rather not say nothing.

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: