Which of the following is true of Earth’s continents?

Which of the following factors affect a stream’s flow velocity?

Valleys deeply eroded by alpine glaciers have what characteristic, cross-valley profile?

The Mariana Trench provides an example of a location where ________ is occurring.

Which of the following is an example of a rock with an intermediate composition?

The Mariana Trench provides an example of a location where ________ is occurring.

The most prominent feature on the ocean floor are the ________.

The term karst topography was first used in ________.

A tributary stream that has to flow for many kilometers before finding an opening where it enters the main river is called a ________.

A poorly sorted sandstone, containing angular grains of ferromagnesian minerals, was probably deposited ________ the source area of the particles.