Answer:
An asteroid impact.
Explanation:
An asteroid impact is considered to have tossed rubble across the earth, killing off many species of plants and animals, 65 million years ago. Volcanic activity is involved in at least four mass extinctions, whereas an asteroid in just one.
I believe the answer is true because we spill liquids during these events causing more erosion
Because you might have just done something different with the experiment and messed up someway during the test
The answer is A, just took the test on edge
