input: OPTIONS:
- latitude line
- crater line
- aurora line
- contour line Now, answer this question: Q: On a topographic map, what is the term for a line of equal elevation? A:
A:
output: contour line

input: OPTIONS:
- heart
- nervous
- Circular
- circulatory Now, answer this question: Q: The loss of too much blood may lead to shock of what system? A:
A:
output: circulatory

input: OPTIONS:
- density
- age
- weight
- surface area Now, answer this question: Q: As a cell grows, its volume increases more quickly than its what? A:
A:
output:
surface area