Los problemas ambientales ¿Cuáles son algunos de los problemas ambientales? Para saber, completa cada espacio en blanco con una palabra apropiada de la lista. Dos palabras no se usan.
calentamientotóxicosdeforestaciónenvasesescasosglaciareshábitatinvernaderoozonopeligropérdidapesticidassalvajesilvestres· La capa de (1) ___________________________, el cual nos protege de los (2) ______________________ rayos ultravioleta, está siendo afectada por las emisiones de gases de efecto (3) ____________________, como los CFC.· El (4) ____________________________ global cambiará el clima del planeta. Las temperaturas más altas derretirán algunos (5) _______________________. Esto representa una pérdida de (6) __________________________ para los osos polares, una especie en (7) ____________________ de extinción.· En la agricultura, el uso extensivo de (8) _______________________ sintéticos ha impactado la vida (9) ________________________ y ha contaminado las áreas (10) ________________________. · La erosión es responsable de la (11) _____________________ de millones de hectáreas de tierras cultivables. Gran parte de la erosión se debe a la (12) ________________________ de bosques.(5)
Fill in the blank(s) with the appropriate word(s).
glaciares
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Lee las preguntas y escribe los pronombres apropiados en las líneas de las respuestas.
-¿Viste a los amigos de Roberto en la tienda? - Sí, ____ vi.
In the past year I have been exposed to measles three times.
Select “correct” if the sentence is correctly punctuated. Select “incorrect” if commas are missing or used incorrectly. A) correct B) incorrect
resollar
Write the words or phrases that correspond.
Read each of the following paragraphs and respond to each question by choosing the letter of the correct answer.
(1) The three largest groups of Asian Americans are the Chinese, the Filipinos, and the Japanese. (2) Chinese immigrants began arriving in the United States in the 1840s. (3) Most of them were poor and largely uneducated. (4) They helped to fulfill a great need for cheap, unskilled laborers in the railroad and other industries in the American West. (5) Intense discrimination was present, however, in part because of competition with white workers for employment. (6) By 1882, Congress passed an exclusionary acthalting Chinese immigration. (7) Filipinos began immigrating to the United States in the early 1900s. (8) By 1930, their entry into the United States was also limited by a congressional exclusionary act. (9) Japanese immigrants began arriving in the United States from 1890 to 1920. (10) Many supplied labor for agricultural industries in Hawaii until another exclusionary act was passed in 1924 limiting Japanese immigration. 1. The topic of this paragraph is a. the Chinese. c. Asian Americans. b. Asian American discrimination. d. Filipinos. 2. The topic sentence of this paragraph is a. sentence 1. c. sentence 5. b. sentence 2. d. sentence 10. 3. Which of the following states a major supporting detail in this paragraph? a. sentence 4 c. sentence 6 b. sentence 5 d. sentence 7 4. Which of the following offers a minor supporting detail in this paragraph? a. sentence 1 c. sentence 7 b. sentence 2 d. sentence 10