Question

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 _________.

Answer 1

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.