Q: A standing wave is created when what type of wave interferes with the original wave? A:
OPTIONS:
- realized wave
- translated wave
- refracted wave
- reflected wave

Answer: reflected wave

Q: The heterotroph eats only or mainly what? A:
OPTIONS:
- animals
- roots
- decomposers
- plants

Answer: plants

Q: An electric current flows in a path called what? A:
OPTIONS:
- electric ring
- electric course
- fuse
- electric circuit

Answer:
electric circuit