Respuesta :
The words and phrases from the excerpt best support the author’s purpose of creating a sense of alarm about the environment include These disasters, Grim specterTragedy, and Stark reality.
These disasters: Disaster means an unfortunate event.
Grim specter: This means harsh, stern or gruesome.
Tragedy: This means an event which brings about destruction or distress.
Stark reality: This means to be blunt or plain about something.
The above words create a sense of alarm about the environment.
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Answer: A., D., F., G. These disasters, Grim specter , Tragedy , Stark reality.
Explanation: On Edge!!!