mecca99
contestada

the light that plants absorb to preform photosynthesis has a wavelength that peaks near 675nm. express this distance in (a) millimeters and (b) meters.

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AL2006
675 nM is  675 x 10⁻⁹ meter ...  0.000 000 675 meter .

That's   0.000 067 5  of one centimeter

             0.000 675      of one millimeter