The mechanical & chemical processes that change the characteristics Of a rock on the Earth's surface

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them

Given that the volume of a cuboid is 180 cm³ and the area of one of its rectangular face 36 cm² what is the height of the cuboid

In a scientific experiment, a is any factor that can be changed or be changed