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Katyanochek1 [597]
3 years ago
10

The male reproductive glands, which produce sperm and hormones, are the

Biology
2 answers:
lukranit [14]3 years ago
6 0

Answer:

The testicles produce the sperm and the hormones

Explanation:

DerKrebs [107]3 years ago
4 0
The testicles produce the sperm and the hormones
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¿Que impacto tiene los diferentes tipos de centrales eléctricas en nuestro medio ambiente?​
Fofino [41]

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.

5 0
3 years ago
A typical raindrop is much more massive than a mosquito and falling much faster than a mosquito flies. how does a mos quito surv
Svetradugi [14.3K]
Below are the questions:

A) A hovering mosquito is hit by a raindrop that is 45 times as massive and falling at 8.9m/s , a typical raindrop speed. How fast is the raindrop, with the attached mosquito, falling immediately afterward if the collision is perfectly inelastic? 

<span>B) Because a raindrop is "soft" and deformable, the collision duration is a relatively long 8.0 ms. What is the mosquito's average acceleration, in g's, during the collision? The peak acceleration is roughly twice the value you found, but the mosquito's rigid exoskeleton allows it to survive accelerations of this magnitude. In contrast, humans cannot survive an acceleration of more than about 10 g. 
</span>
Below are the answers:

a. <span>MU = (M + m)V; where M = 45 m, U = 8.9 m/s, find V = ?. V = (45/46)*8.9 = 8.7 m/s 
</span>
b. <span>F = m dV/dT = m 8.7/8E-3 = m 1.0875E+03; so G = 1.0875E+03/9.8 = 111 G's.</span>

4 0
3 years ago
Why can radio telescopes be used 24 hours a day?
Ne4ueva [31]

Answer:

they are not affected by earth atmosphere

8 0
3 years ago
When does facilitated diffusion occur
irina1246 [14]

Answer:

Facilitated diffusion takes place due to a difference in concentration on both sides of the membrane, in the direction of the lowest concentration, and does not require energy.

6 0
3 years ago
Hi pls answer fast<br><br>Function of haemoglobin in the blood​
Marizza181 [45]
<h2>it carries oxygen from the lungs to rest of the body.</h2><h2>This is a fast function and i hope it helps...</h2>
8 0
3 years ago
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