Someone or something that takes part in the story is called A. a character.
Action is something they do, thought is something they think, and trait is their qualities.
Answer:
1/ Climate change
2/ Asteroid impacts
3/ Massive volcanic eruptions
4/ Sun explodes
etc. (all the things above are most likely to happen but alien invasion or things like that is also a theory that you can add depends mostly if you like it or not)
The main function of muscular system is movement, but also stabilization
Hello,two examples are
Sponges and
Mollusos
