Elige la opción falsa: *
2 points
a) La lluvia ácida provoca daños al medio ambiente.
b) El dióxido de carbono es el único contaminante en la atmósfera.
c) Las máquinas en mal estado, aumentan la contaminación.
d) El petróleo, el gas y el carbón mineral son ejemplos de combustibles fósiles.
Answers: 1
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Answers: 2
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When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?
Answers: 1
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Long term exposure to waves can cause sunburns and skin cancer.
Answers: 1
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Elige la opción falsa: *
2 points
a) La lluvia ácida provoca daños al medio ambiente.
b...
a) La lluvia ácida provoca daños al medio ambiente.
b...
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