You come across a whitish mineral in the field. You think it might be calcite, but you aren’t sure. Which of the following would be the best way to determine if your sample is calcite?

Which of the following is NOT a type of limestone?

When an atom gains an electron during a chemical reaction, which of the following is true?

A cross-sectional view of a stream from its source area to its mouth is called its ________.

A perched water table develops when ________.

Which magma is most likely to quench (congeal) to a natural glass?

Which of the following is true of the rocks of the seafloor?

The ________ is the site of initial rupturing associated with an earthquake.

A cross-sectional view of a stream from its source area to its mouth is called its ________.

In which of the following igneous rocks and environments would you expect to find unusually high concentrations of rare elements such as lithium, beryllium, and boron?