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Alvarez and his team hypothesized, and found evidence for, an asteroid impact that triggered a global extinction. Using this hypothesis, the scientific community explored other lines of evidence to support the theory including _________.

User INulty
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Answer:

Past massive volcanic activity

Step-by-step explanation:

This massive volcanic activity provides evidence that asteroid could have actually triggered a global extinction.

This is because scientists discovered a huge amount of surface area which they believe was altered by volcanic material.

User Gaurav Jassal
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