In porphyritic igneous rocks, the largest crystals are called _________ while the fine-grained material is called the _________. 

Small, steep-sided volcanoes found at the edges of larger volcanoes or within in calderas are called:

Bowen’s reaction series states that minerals in a cooling magma will crystallize in a predictable way.

Ferromagnesian silicates include which two elements?

The chemical composition of all lavas is the same.

About 20% of all known human cancers have a viral cause.  The most likely way in which this occurs is activation of a host oncogene by a(n):

The term that refers to the long, branching cells of molds that may grow together into a larger mass called a mycelium are:

Which of the following virulence factors would most likely account for the ability of bacteria to colonize the urinary tract more effectively than other microbes?

A ringworm infection localized to the groin is referred to as:

A patient has been advised to take ibuprofen. When teaching the patient about ibuprofen, which instruction should the nurse include?