Which one of the following is an example of an acid-base reaction?

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Blank liquids and gases exert a buoyant force on objects placed in them

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer