whats the appropriate year of the event?
-Rachel Carson's best-selling book Silent Spring was published which was a wake-up call to the American public warning that chemicals in the environment cause harm.

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The Answer of whats the appropriate year of the event?
-Rachel Carson's best-selling book Silent Spring was published which was a wake-up call to the American public warning that chemicals in the environment cause harm.

Whats the Appropriate Year of the Event