Problem: OPTIONS:
- Ultramafic lava
- Intermediate lava
- Felsic lava
- mafic
Q: Q: Which type of lava lavas are less viscous and erupt effusively? A:
Answer: mafic

Problem:OPTIONS:
- alcohol
- carbon monoxide
- aluminum oxide
- nitrogen dioxide

Q: What is a byproduct from the combustion of fossil fuels like coal and gasoline? A:
****
A: nitrogen dioxide

Q: Though viruses are not considered living, they share two important traits with living organisms: they have genetic material and they can undergo what process? A:
OPTIONS:
- generation
- sexual reproduction
- learning
- evolution
evolution

Q: How many amino acids generally consist in protien? A:
OPTIONS:
- 13 or more
- 7 or more
- 67 or more
- 100 or more

Answer: 100 or more

Question: Q: What are the cone-like structures that contain sporangia called? A:
OPTIONS:
- contrail
- medulla
- gametes
- strobili
Answer: strobili

input: OPTIONS:
- produced or spontaneous
- accelerated or spontaneous
- accelerated or random
- induced or spontaneous Now, answer this question: Q: What are the two methods in which mutations arise in dna? A:
A:
output:
induced or spontaneous