placa continental

placa continental

A rigid, primarily granitic slab floating on the asthenosphere, a layer of semi-molten upper mantle. The plates average 125 kilometers of thickness and are pushed rather than pulled by currents in the mantle. (See Plate Tectonics. ) The continents riding atop the plates occupy 29% of the planet surface.

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เพิ่มภาพ

ส่วนหนึ่งของคำพูด: noun
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อุตสาหกรรม/ขอบเขต: Biology
Category: Ecology
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placa

Medical devices; Cardiac supplies

An accumulation or build-up of fatty deposits, calcium, and/or cell debris in an artery that leads to narrowing of the blood vessel.

patógeno

Biology; Ecology

A microorganism that makes its host sick. Certain viruses, bacteria, and authoritarian flag-waving fanatics are common examples of pathogens. They tend to be parasites that weaken ...

proteína

Biology; Ecology

Extremely complex molecules of carbon, hydrogen, nitrogen, and other elements joined in chains of amino acids (peptides). Protein constitutes the bulk of living matter, gives it ...

eucariota

Biology; Ecology

An organism with a membraned cell nucleus. See Prokaryote.

organogénesis

Biology; Ecology

The start of organ formation in the embryo.

porosidad

Biology; Ecology

The amount of space within rocks or soils.

selva

Biology; Ecology

An evergreen forest growing in a wt, humid climate. Rainforest coverage prevents desertification and drought and hosts more than half the world's animal species. Every day ...

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อุตสาหกรรม/ขอบเขต: Holiday Category: Festivals

Año Nuevo Chino

El feriado chino tradicional más importante, el Año nuevo chino representa el inicio oficial de la primavera, empezando en el primer día del primer ...