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.
1. Fact
2. Sentence
3. Truth
The net force is the vector sum of all the forces that act upon an object. That is to say, the net force is the sum of all the forces,
According to my research it’s C: Nucleus
