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Question
read the following introductory paragraph, which is missing a hook: light from the sun hits earth and warms the planet. the warm soil and water then release some of that heat back into the air. some of it escapes into space, and some of it is caught and held by gases in the atmosphere. this heat trapping process is called the greenhouse effect, after what the windows in a greenhouse or a car do with solar radiation - they let the light move in and out, but trap a lot of the heat inside. which option below makes the most effective hook? i remember playing in snowdrifts higher than my head when i was a kid. my kids have never had that joy. it doesn’t snow much here anymore. because of global warming, it probably never will. it is ironic that the greenhouse effect is named after a place where plants grow, because it is going to destroy life on earth. for billions of years, the greenhouse effect was the best friend to life on earth. without it, the average global air temperature would be barely above 0°f. this is how it works. there is now overwhelming scientific consensus that climate change is happening - the average temperature of the earth’s surface increased by about 1.4°f over the 20th century, with two thirds of it happening since 1980.
Breve explicación:
Un gancho efectivo debe captar la atención del lector y establecer un contexto para el tema del párrafo, que es el efecto invernadero. La tercera opción presenta un hecho sorprendente sobre la importancia histórica del efecto invernadero para la vida en la Tierra y crea interés en cómo funciona. La primera opción se centra más en el cambio climático en lugar del efecto invernadero en sí. La segunda opción es demasiado alarmista y no introduce de manera clara cómo funciona el efecto invernadero. La cuarta opción se centra en la evidencia del cambio climático en lugar de introducir el tema del efecto invernadero.
Respuesta:
C. For billions of years, the greenhouse effect was the best friend to life on Earth. Without it, the average global air temperature would be barely above 0°F. This is how it works.
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Breve explicación:
Un gancho efectivo debe captar la atención del lector y establecer un contexto para el tema del párrafo, que es el efecto invernadero. La tercera opción presenta un hecho sorprendente sobre la importancia histórica del efecto invernadero para la vida en la Tierra y crea interés en cómo funciona. La primera opción se centra más en el cambio climático en lugar del efecto invernadero en sí. La segunda opción es demasiado alarmista y no introduce de manera clara cómo funciona el efecto invernadero. La cuarta opción se centra en la evidencia del cambio climático en lugar de introducir el tema del efecto invernadero.
Respuesta:
C. For billions of years, the greenhouse effect was the best friend to life on Earth. Without it, the average global air temperature would be barely above 0°F. This is how it works.