Scientists and engineers are looking for fuel alternatives, since it is apparent that the earth has a/an amount of fossil fuels.
Fill in the blank(s) with the appropriate word(s).
finite
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centroamericanos
A. masculino, singular B. masculino, plural C. femenino, singular D. femenino, plural
Complete lo siguiente, usando vocabulario de la Lección 2.
¿Qué ______________________? ¿Hubo un accidente?
For each of the following sentences, select the answer with the correct list of the words that should be capitalized
Hugh's favorite subjects in school are chemistry and geometry. A) Subjects, School B) Subjects, School, Geometry C) Chemistry, Geometry D) None of the words in the sentence should be capitalized.
You will hear a news bulletin about el bromuro de metilo, a pesticide. Listen to the bulletin and then indicate whether the statements are true or false (cierto o falso).
El protocolo de Montreal es un tratado (treaty) internacional para proteger el medio ambiente.