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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
What is the specific mechanism by which the Chicxulub impact is believed to have caused the extinction of the dinosaurs and many other species 65 million years ago?
A)   Iridium poisoning due to fallout of meteoritic material destroyed a large fraction of the creatures within several days of the impact.
B)   Dust thrown up by the impact blotted out the Sun and disrupted the food chain over a period of several years.
C)   The incoming asteroid contained alien biological material that destroyed susceptible species within a few weeks of the impact.
D)   Shock waves and tsunamis (tidal waves) killed the majority of living creatures within a few minutes of the impact.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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papachulopapachulo
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7 years ago
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symbo Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
ofsuahasiufhoas
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Yesterday
Correct Slight Smile TY
djeghri
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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