Se trata de ácidos, sales o metales tóxicos, como el mercurio o el plomo, cuya presencia en el agua en grandes cantidades pueden causar graves daños en los ecosistemas acuáticos, reduciendo la biodiversidad. Provienen de los vertidos domésticos, agrícolas e industriales, que pueden contener distintos compuestos químicos. En ocasiones, son liberados directamente a la atmósfera e incorporados por la lluvia. Estos se conocen como A. Agentes patógeno B. Compuestos químicos orgánicos C. Desechos orgánicos D. Sustancias químicas inorgánicas
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Biology, 22.06.2019 09:30
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
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Biology, 22.06.2019 11:00
Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.
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Biology, 22.06.2019 11:00
Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
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Biology, 22.06.2019 12:00
Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion
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Se trata de ácidos, sales o metales tóxicos, como el mercurio o el plomo, cuya presencia en el agua...
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