Ash and cinder cones are associated with

Step 1: Analyze the question The question asks which process or event is linked to ash and cinder cones. These are landforms, so we need the geological process that produces them.

Step 2: Explain the concept Ash and cinder cones (also called cinder cones or scoria cones) are the simplest type of volcano. They form when a volcano erupts explosively and throws out:

• volcanic ash (very fine particles)
• cinders/scoria (small, gas-filled fragments of lava)

These materials fall back around the vent and pile up. Over time they build a steep, cone-shaped hill with a crater at the top. Examples of other volcanic landforms are composite (strato) cones, shield volcanoes, and calderas.

Step 3: Evaluate the options

• A. Ozone depletion: This is an atmospheric issue caused by CFCs. It has nothing to do with landform building.
• B. Hurricane activities: Hurricanes are weather systems and do not build cones from ash.
• C. Earthquakes: These involve movement along faults and can occur near volcanoes, but they do not create ash or cinder cones.
• D. Volcanic eruption: Ash and cinder are ejected during eruptions, and they build the cones. This fits.

Step 4: Answer The correct option is D. Volcanic eruption.

Exam tip: Link the key words to the process. "Ash," "cinder," "lava," "crater," and "magma" all point to volcanism. If you see these words, think volcano immediately.