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wel
2 years ago
8

¿Que impacto tiene los diferentes tipos de centrales eléctricas en nuestro medio ambiente?​

Biology
1 answer:
Fofino [41]2 years ago
5 0

Answer:

Sin los correspondientes controles y marcos regulatorios, las centrales eléctricas pueden tener efectos adversos sobre el medio ambiente y contaminar los ecosistemas naturales, representando un serio riesgo para la salud humana

Explanation:

Las centrales eléctricas representan un riesgo latente para el medio ambiente, con lo cual ellas deben estar bajo un estricto marco regulatorio y control por parte de las instituciones gubernamentales especializadas para tal fin. Por ejemplo, las centrales hidroeléctricas generan la inundación permanente de grandes áreas (incluso miles de hectáreas) con el objetivo de aumentar la capacidad de generación de energía eléctrica. Por otra parte, se cree que aproximadamente el 50% de la polución industrial se debe a la acción de centrales eléctricas convencionales, las cuales utilizan la combustión del carbón, el petróleo o el gas natural con el objetivo de generar energía eléctrica. Este tipo de centrales eléctricas producen dióxido de carbono (CO2), el principal gas de efecto invernadero y considerablemente deterioran la calidad del aire que respiramos mediante la liberación de partículas contaminantes, presentando efectos adversos tanto para la salud humana como para el medio ambiente. Finalmente, la instalación de centrales eléctricas a base de la energía nuclear no generan gases causantes del efecto invernadero, pero pueden representar un serio riesgo debido a la posibilidad de liberación de materiales radiactivos durante accidentes nucleares, los cuales son capaces de contaminar permanentemente el medio ambiente. En este punto, es importante aclarar que los riesgos de accidentes en centrales nucleares se ha reducido notablemente en las últimas décadas y, por lo tanto, este tipo de centrales eléctricas se consideran relativamente seguras.

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In a food web, which type of organism receives energy from the other three types?
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Answer:

C decomposer

Explanation:

decomposers get their energy from dead animals so there at the end of the tree, meaning they get there energy off the other tree groups.

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3 years ago
What is the difference between accuracy and precision in scientific measurements?
Jlenok [28]

Answer:

Explanation:

In scientific measurement,

Accuracy refers to the closeness of a measured value to a standard or specific value while precision is the level of agreement of a particular measurement with the measured value it is repeated.

3 0
3 years ago
What percentage of the world does not have access to clean fresh water?
DiKsa [7]

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15% of the world does not have access to clean fresh water.

Explanation:

3 0
2 years ago
What function do the alveolar sacs serve in the respiratory system?
Brrunno [24]

These alveoli are the smallest types of lung tissue, and one of the most important. In addition to being the primary means by which oxygen enters and carbon dioxide escapes the bloodstream, these small pouches of air are also the reason why the lungs do not totally collapse when a person breathes out. This is because they contain a cell that secretes a special chemical to lower the surface temperature to prevent lung collapse. The alveoli also contain other cells that secrete chemicals to attack and remove any foreign objects in the lungs, such as dust, dirt and other debris.

In addition to making up alveolar sacs, alveoli also form alveolar ducts. It is estimated that there are more than 300 million alveoli in the human lungs, all of which are located in either alveolar ducts or sacs that are found at the end of the smaller passageways, or bronchioles, in the lungs.


SHORT ANSWER:

Alveolar sacs contain tiny pouches called alveoli, whose primary function is gas diffusion. These clusters of alveoli have thin walls that allow oxygen to pass easily from the lungs into the bloodstream and carbon dioxide to flow from the blood to the lungs so it can exit the body.

8 0
3 years ago
a reduction of lot sizes increases the amount of fluctuation that can accumulate between any pair of stages of a supply chain, t
Liono4ka [1.6K]

False. A reduction in lot sizes does not enhance the amount of variation that can build up between any two supply chain stages, hence enhancing the bullwhip effect.

According to the bullwhip effect, which is a characteristic of the suppliers chain, modest changes in demand at the retail level can lead to steadily increasing changes at the wholesale, distributor, manufacturer, and raw material supplier levels. The physics of cracking a whip are referenced in the effect's name. The comparatively tiny movement of the whip's wave patterns increasing in size as a result of the person holding it snapping their wrist. In supply chain management, salespeople, manufacturers, suppliers, and customers all have a partial understanding of demand and limited direct control over it.

Learn more about bullwhip effect here

brainly.com/question/2815747

#SPJ4

7 0
1 year ago
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