Three layers in a composite bow are horn wood and sinew all sewn together.
Horn, wood and sinew.
The three layers of a composite bow were the wooden core, the horn or bone material on the belly side, and the sinew on the back side. Each layer played a specific role in providing strength, flexibility, and power to the bow.
A composite cone is the type of volcano that consists of layers of lava flows and pyroclastic material. A stratovolcano is an example of a composite cone.
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Composite
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A composite volcano is composed of many layers of ash and cooled lava flows resulting from sequences of explosive and non-explosive eruptions. The arrangement of these layers can be quite complex.
composite volcanoes
composite volcanoes
Because they are made of strata, or layers.
A composite volcano is called a "strato" volcano because of its alternating layers of lava flow and volcanic ash, which can resemble the stratified layers of sedimentary rock ("strato" means layers in Latin). This type of volcano is characterized by its steep-sided profile and explosive eruptions.