At transform plate boundaries: A. volcanoes are common, but earthquakes do not occur. B. both earthquakes and volcanoes are common. C. earthquakes are common, but volcanoes are absent.

B. both earthquakes and volcanoes are common.

Explanation:

Transform Plate Boundaries are locations where two tectonic plates slide against one another. There are three types of plate boundaries: convergent, divergent, and transform.

When the plates rub against each other, huge stresses can cause portions of the rock to break, resulting in earthquakes. Places where these breaks occur are called faults.

A well-known example of a transform fault is the San Andreas Fault in California and the Alpine Fault of New Zealand.

Volcanism occurs at convergent boundaries (subduction zones) and at divergent boundaries (mid-ocean ridges, continental rifts), but not commonly at transform boundaries.

Plate boundaries are also associated with the creation of other topographic features such as mountains, volcanoes, mid-ocean ridges, and oceanic trenches. However, except there is a deep break into the earth's crust, the volcanoes are not noticeable.

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