What are three precautions that Time Safari, Inc. has taken to prevent any altering of the future in "A Sound of Thunder"?

In "A Sound of Thunder," Time Safari, Inc. requires hunters to remain on a floating path to avoid stepping on the prehistoric forest floor and accidentally killing insects, plants, or flowers. The company also makes hunters shoot a designated dinosaur that is close to death to avoid disturbing the natural order of life. Time Safari, Inc. also removes all evidence of their expedition, including the bullets inside the dinosaur's corpse.

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In "A Sound of Thunder," Ray Bradbury explores how apparently minor changes in the past might create catastrophic changes to the future. With this in mind, Time Safari has set up various safeguards to prevent unintentional contamination of the timeline. For one thing, it has set up a metal path above the prehistoric earth for its time travelers to walk on, with the hunters being warned not to leave it for any reason. As Travis, the safari guide, explains,

It floats six inches above the earth. Doesn't touch so much as one grass blade, flower or tree. It's an anti-gravity metal. Its purpose is to keep you from touching this world of the past in any way.

Additionally, the company is careful to only select animals that would have already died regardless of any time travel. Before the hunters arrived, the company had sent another employee, Lesperance, to track the animals across the course of their lives. As Lesperance states:

When I find one that's going to die when a tree falls on him, or one...

(The entire section contains 3 answers and 1095 words.)

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