She sat on the couch. Identify the prepositional phrase. (Didn’t mean to put history it’s English)

The leader of the majority part in the house of commons is usually britain’s

What was charles townshends development of a crop rotation system important to the industrial revelotion

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal