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Alona [7]
3 years ago
8

Which group of minerals are the most abundant in the earth's crust?

Biology
1 answer:
maksim [4K]3 years ago
7 0
More than 90% on the crust is composed of silicate minerals. Most abundant silicates are feldspars<span> (</span>plagioclase<span> (39%) and alkali feldspar (12%)). Other common silicate minerals are </span>quartz<span> (12%) </span>pyroxenes<span> (11%), </span>amphiboles<span> (5%), micas (5%), and clay minerals (5%).</span>
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3 years ago
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Andre45 [30]

Those mutated genes are most commonly recessive. Females have two X chromosomes so they can have a chromosome with the mutated gene and one with the healthy gene. The healthy gene is dominant so the disease won't manifest, and the woman is only a carrier. Males have only one X chromosome and an Y chromosome. If they have the mutated gene on the X chromosome they won't have another X chromosome with the healthy gene.

To summarize, men can't be carriers and they only need one copy of the mutated X-linked gene while women need two copies of the mutated gene.

3 0
3 years ago
A painter falls from his ladder and tells you he has dislocated his shoulder again. When you attempt to splint the shoulder, it
Murljashka [212]

Answer:

The options

A. Contact medical control for input into the best treatment for this patient.

B. Check distal CSM, apply a sling and swathe, and transport the patient.

C. Check distal CSM, apply a traction splint, and transport the patient.

D. Continue splinting and report the popping sound to the triage nurse when you arrive at the hospital.

The ANSWER IS SURELY B.

B. Check distal CSM, apply a sling and swathe, and transport the patient.

Explanation:

In assessing Musculoskeletal Injury as in this case, check for Circulation, sensation, and movement, apply a sling and bandage/swathe followed by transporting the patient quickly to the hospital for further checkup

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3 years ago
the outer ear channels sound waves down the external __________ to the __________, a tight membrane that vibrates in response to
aivan3 [116]

Answer:

Revisado por: Larissa Hirsch, MD

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in English

Ears

¿Qué es el oído y qué hace?

El oído consta de tres partes diferentes, que funcionan conjuntamente para captar sonidos y transmitírselos al cerebro: el oído externo, el oído medio y el oído interno.

El oído externo

El oído externo está formado por el pabellón auditivo (también conocido como "pabellón auricular" o "pabellón de la oreja") y el conducto auditivo. Los pabellones auditivos son las partes visibles que tenemos a ambos lados de la cabeza y están compuestos por cartílago duro cubierto de piel. La principal función del pabellón auditivo consiste en captar sonidos y conducirlos hacia el conducto auditivo, que conecta con el oído medio. Las glándulas de la piel que recubren el interior del conducto auditivo fabrican cera o cerumen, que protege este conducto, eliminado la suciedad y ayudando a prevenir posibles infecciones.

El oído medio

El oído medio es una cavidad llena de aire que transforma las ondas sonoras en vibraciones y las transmite al oído interno. El oído medio está separado del externo por el tímpano (o membrana timpánica), una fina lámina de tejido que va de lado a lado del conducto auditivo y que está fuertemente tensada sobre él. Los sonidos golpean el tímpano, haciendo que se mueva.

Explanation:

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Bond [772]
The only joint-less bone in the human body is the hyoid.
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