True or false? County governments have only "executive branch" powers

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

Which of the following statements is true of cause and effect relationships

During the 1920s, many people looked for ways to maintain traditional social order as the nation rapidly moved into a new, modern era. which groups or types would most likely be in this category?