| 11. | But when average temperatures warmed slightly above a critical threshold, the entire butterfly population would suddenly crash.
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| 12. | At some point, Jupiter passed a critical threshold and started sucking in gas much faster than the others.
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| 13. | Al-Hakim believes U . S . military preparations have passed a critical threshold and now war was likely.
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| 14. | Neisser ( 1984 ) uses a different term, he prefers critical threshold, a level that has to be reached.
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| 15. | According to a United Nations study, by January 2008, the economic effects of the blockade had reached a critical threshold.
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| 16. | When a tipping point-the critical threshold-is reached, a small change in human activity can have long-term consequences on the environment.
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| 17. | If the degradation continues beyond a certain tipping point or critical threshold it would lead to eventual extinction for humanity.
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| 18. | By January 2008, according to a United Nations study, the economic effects of Israel's blockade on Gaza reached a critical threshold.
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| 19. | "It's a matter of getting them there before they reach that critical threshold, before they start going downhill, " he said.
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| 20. | These rhythmic changes in membrane potential do not reach the critical threshold and therefore do not result in an action potential.
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