input: OPTIONS:
- space
- energy
- velocity
- time Now, answer this question: Q: Line graphs are especially useful for showing changes over what? A:
A:
output: time

input: OPTIONS:
- conversion
- diffused
- kinetic
- electricity Now, answer this question: Q: A turbine using tides in the ocean can create what type of energy? A:
A:
output: electricity

input: OPTIONS:
- sulfide
- carbonate
- fermite
- halide Now, answer this question: Q: What type of minerals form when salt water evaporates? A:
A:
output:
halide