input: OPTIONS:
- they stay the same
- they change randomly
- they get longer
- they get shorter Now, answer this question: Q: What happens to the length of the days in the fall? A:
A:
output: they get shorter

Q: How do organophostbate pesticides work? A:

OPTIONS:
- inhibiting reticulum
- inhibiting cryptosporidium
- inhibiting testosterone
- inhibiting acetylcholinesterase

Answer: inhibiting acetylcholinesterase

Problem: OPTIONS:
- electromagnetic dynamics
- energy propagation
- wave dynamics
- wave propagation
Q: Q: Dutch scientist christiaan huygens' principle of what states that every point on a wavefront is a source of wavelets that spread out in the forward direction at the speed of the wave itself? A:
Answer: wave propagation

Problem:OPTIONS:
- circular
- rectangular
- diamond
- heart-shaped

Q: What shape is the gametophyte in ferns? A:
****
A: heart-shaped

Q: What is the unit of evolution? A:
OPTIONS:
- species
- community
- biome
- population
population

Q: What kind of islands provide natural protection to shorelines? A:
OPTIONS:
- patch islands
- locational islands
- edge islands
- barrier islands

Answer:
barrier islands