Q: Q: What compound gives tarnished copper it's green color? A: | OPTIONS:
- bronze
- zinc
- brass
- copper carbonate
A: copper carbonate

Q: Q: Budding in sponges is a form of what type of reproduction? A: | OPTIONS:
- sexual
- reasonable
- competitive
- asexual
A: asexual

Q: Q: What occurs when light bends as it passes from one type of matter to another? A: | OPTIONS:
- vibration
- reflection
- resonance
- refraction
A: refraction

Q: Q: What kind of charge do electrons have? A: | OPTIONS:
- effective
- unusual
- positive
- negative
A: negative