Problem: OPTIONS:
- oceans
- deserts
- equators
- poles
Q: Q: What parts of the planet does solar energy have difficulty reaching? A:
Answer: poles

Problem:OPTIONS:
- interaction mapping
- diagnostic mapping
- chemical mapping
- linkage mapping

Q: What type of mapping is critical for identifying the location of genes that cause genetic diseases? A:
****
A: linkage mapping

Q: Under which process do living things with beneficial traits produce more offspring? A:
OPTIONS:
- migration
- differentiation
- evolution
- natural selection
natural selection

Q: What always continues in a red supergiant? A:
OPTIONS:
- heat
- movement
- fission
- fusion

Answer: fusion

Question: Q: Name the plant considered to be the ancestor of plants? A:
OPTIONS:
- brown algae
- ferns
- grass
- green algae
Answer: green algae

input: OPTIONS:
- antifreeze
- dry ice
- fluorocarbons
- liquid nitrogen Now, answer this question: Q: Magnetic resonance imaging devices use what to cool the superconducting magnets? A:
A:
output:
liquid nitrogen