Atoms 1. what attracts each other to bonding?
2. What does the atomic number represent?
3. In atomic bonding what is lost or gained?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Identify and describe the three ways that mutations affect organisms.