Define saturated and unsaturated fats​

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

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Adilute aqueous potassium nitrate solution is