I m a boy ,15 bored
join zm id = 8736326804 pass code = 5%78Fx​

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m