A mile.
For reference, it's about 1,607 or so meters, and 1km is 1,000.
The answer is caso4 and ca(C2H3O2)2
A. Flueorescece. <span>The light from these ultraviolet lamps reacts with the chemicals of a mineral and causes the mineral to glow.
Hope I get Brainliest</span>
A process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one thus equalizing the concentrations on each side of the membrane. I hope this helps :D