Brass is a homogeneous mixture (solid solution) of copper and zinc. Again each metal by itself is a pure substance. Only when they are mixed are they a homogeneous mixture (or solid solution). Heterogeneous Mixtures Heterogeneous mixtures are not uniformly mixed on an atomic or molecular level.
Penrose is one of the small villages in the Southern Highlands, located between Bundanoon and Marulan.
Crows Nest, New South Wales. Crows Nest is a suburb on the lower North Shore of Sydney, New South Wales, Australia. Crows Nest is located in the North Sydney precinct, 5 kilometres north of the Sydney central business district, in the local government area of North Sydney Council. 1 History.