The image below shows the distribution of volcanoes around the world. Based on the information on this figure, which statement BEST describes where most volcanoes are found?Click to view larger image.

Viscosity is a material’s resistance to flow. The pictures below show two types of volcanic eruptions. In the first, lava is fountaining and flowing freely, making a gently sloping volcano. In the second eruption, a thick plug of lava called a dome has emerged in a volcanic crater. Which of the following statements BEST describes the relative viscosity of these two eruptions?Click to view larger image.

The following figure shows several different samples of sediments in optical microscope view. Which of the samples displays the BEST sorting?Click to view larger image.

The rate of cooling of an igneous rock can be determined by the

Which silicate mineral has a single-chain structure?

Which of the following sedimentary environments would produce the more well-sorted sedimentary rocks

A silica tetrahedron is composed of

Sedimentary rocks that originated as deposits near the center of a large lake should have

Maximum compaction can be achieved with:

In the following figure, the magnetic anomaly pattern is mirrored on either side of the central ridge. What is responsible for this pattern?Click to view larger image.