Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called a. shield volcanoes. b. cinder cone volcanoes. c. composite volcanoes. d. lava plateaus.

The right option is; c. composite volcanoes.

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called composite volcanoes.

Composite cone volcanoes are tall cone-shaped volcanoes that are made up of alternating layers of lava, volcanic ash and rock debris. Composite volcanoes are steep-sided and they erupt periodically in an explosive manner. Examples of composite volcanoes are Mount Cameroon and Mount St. Helens and Mount Rainier in Washington State.  

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