If you wanted to do calculations with speed (distance/time), which base units would you use mile and hour kilogram and second meter and second meter and gram

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?