Problem: OPTIONS:
- ammonia sulfate
- copper sulfate
- straight sulfate
- lead sulfate
Q: Q: What is the white solid that forms on corroded battery terminals? A:
Answer: lead sulfate

Problem:OPTIONS:
- stationary fluid
- hydrothermal fluid
- impregnation fluid
- supercritical fluid

Q: What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states? A:
****
A: supercritical fluid

Q: What are ocean waves mainly caused by? A:
OPTIONS:
- tides
- gravity
- humidity
- wind
wind

Q: What causes food to move through the esophagus? A:
OPTIONS:
- photosynthesis
- proteolysis
- apoptosis
- peristalsis

Answer: peristalsis

Question: Q: What broad category of animals shows adaptations from water-dwelling to land-dweller, including the ability to breathe air and legs to move on land? A:
OPTIONS:
- reptiles
- birds
- herbivores
- amphibians
Answer: amphibians

input: OPTIONS:
- displacement defect
- spontaneous mutation
- ladder complex
- lattice defect Now, answer this question: Q: Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this? A:
A:
output:
lattice defect