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Is pyroclastic material usually thrown from volcanoes that eject felsic lava?
It is often a product of intermediate material as well, but yes, it is often felsic.
Does a pyroclastic flow typically occur during a quiet eruption?
No, pyroclastic flows typically occur during explosive volcanic eruptions when hot gas and volcanic particles travel rapidly down the side of the volcano. Quiet eruptions, such as lava flows, do not produce pyroclastic flows.
What percentage of lava on Earth is basaltic?
Volumetrically, most lava is of basaltic composition. Basaltic melts have overall lower gas contents and are more fluid than their andesitic-to-rhyolitic counterparts. Their higher fluidity (lower viscosity) is a product of their lower SiO2 (silica) contents. When gases exsolve from basaltic melts they are allowed to rise unimpeded through the fluid magma without a significant build up of gas pressure. This results in relatively calm, nonexplosive eruptions, and a preponderance of lava. In contrast, when gases exsolve from felsic magmas, their upward mobility is impeded by the high viscosity of the melt. This results in the buildup of gas pressure, which generates explosive eruptions associated with a preponderance of pyroclastic ejecta. The low viscosity of basaltic lavas allows them to be extruded over great distances, often producing high-volume lava flows with low aspect ratios (ratio of thickness to area). Under the right conditions, de-gassed felsic magmas can also erupt lava in a nonviolent manner. However, felsic lavas tend to be much thicker than basaltic lavas and have much higher aspect ratios.source:www.geology.sdsu.edu
Is carbon dioxide raw material or end product?
Raw Material!(:
Can non explosive volcanoes have pyroclastic flows?
The answer is Explosive . It is explosive because during a explosive eruption there are clouds of ash, gas , and rock , and with a pyroclastic flow there is dust and ash . there for the answer must be explosive .
Is pyroclastic material usually thrown from volcanoes that eject felsic lava?
It is often a product of intermediate material as well, but yes, it is often felsic.
Does a pyroclastic flow typically occur during a quiet eruption?
No, pyroclastic flows typically occur during explosive volcanic eruptions when hot gas and volcanic particles travel rapidly down the side of the volcano. Quiet eruptions, such as lava flows, do not produce pyroclastic flows.
Is Direct Material a product cost?
Yes direct material is a product cost as without material no product can be manufactured.
Is direct material used a product cost?
Yes direct material is part of product cost and included in calculating the product price.
Is Direct Material a product cost or period cost?
Direct material is a product cost because without material no product can be produce and it has direct relation with production of goods.
Is the mesh material used in this product waterproof?
Yes, the mesh material used in this product is waterproof.
Is the PP5 material used in this product microwave safe?
The PP5 material used in this product is microwave safe.
What percentage of lava on Earth is basaltic?
Volumetrically, most lava is of basaltic composition. Basaltic melts have overall lower gas contents and are more fluid than their andesitic-to-rhyolitic counterparts. Their higher fluidity (lower viscosity) is a product of their lower SiO2 (silica) contents. When gases exsolve from basaltic melts they are allowed to rise unimpeded through the fluid magma without a significant build up of gas pressure. This results in relatively calm, nonexplosive eruptions, and a preponderance of lava. In contrast, when gases exsolve from felsic magmas, their upward mobility is impeded by the high viscosity of the melt. This results in the buildup of gas pressure, which generates explosive eruptions associated with a preponderance of pyroclastic ejecta. The low viscosity of basaltic lavas allows them to be extruded over great distances, often producing high-volume lava flows with low aspect ratios (ratio of thickness to area). Under the right conditions, de-gassed felsic magmas can also erupt lava in a nonviolent manner. However, felsic lavas tend to be much thicker than basaltic lavas and have much higher aspect ratios.source:www.geology.sdsu.edu
What is direct material and direct labor?
Direct material is material that is contained in the final product. Direct labor is labor that ultimately forms the final product.
Is the polyurethane material used in this product latex free?
Yes, the polyurethane material used in this product is latex free.
Is carbon a raw material or a end product?
Carbon dioxide, in photosynthesis, is a reactant, or "raw material" and in cellular respiration, is a product or end product, so it is really either, but the answer to the question according to the category is a "raw material."
Is packing material direct material?
Packing material can be considered direct material if it is an essential part of the final product being manufactured. For example, if the packing material is required to package and ship the product to customers, then it would be classified as a direct material.
