Which of these is an example of a human system in geography?
suburban sprawl
coastline erosion
ridges and valleys
rivers and tributaries

Answer:

Suburban sprawl is an example of a human system in geography.

Explanation:

The spread of urbanization is called suburban sprawl in small villages. The suburban sprawl indicates to the unlimited growth in the many urban areas of the housing and financial development and roads over large expanses of the land, with the little involvement for urban planning.

Due to rapid expansion of cities there is need of more people and land. The urbanization is only causing more harm to the environment with increase in pollution and adulterated food.        

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.