input: OPTIONS:
- Turning to silt
- bottom of feet
- Turning to ice
- Getting hot
- erosion
- Mixing with salt
- lowered energy cost
- Movement Now, answer this question: Fact 1: Ice wedging is when ice causes rocks to crack by expanding in openings. Fact 2: Water expands as it freezes into ice. Given the two facts above, how does water crack rocks?
A:
output: Turning to ice

Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Sex hormones control sexual development in male and female bodies. Given the two facts above, sex hormones are what in male and female bodies?

OPTIONS:
- Something that is self-aware
- more abundant
- allow growth
- production
- consumers
- lymph nodes
- competing for resources
- chemical messengers

Answer: chemical messengers

Problem: OPTIONS:
- harm
- swea
- death
- h2o
- damage
- ribs
- gas
- digestion
Q: Fact 1: Pneumonia may be caused by an infection or injury of the lungs. Fact 2: Death was attributed to pneumonia. Given the two facts above, what can infection or injury of the lungs result in?
Answer: death

Problem:OPTIONS:
- Plants
- expelled
- heat
- recycling
- glucose
- trees
- food
- state

Fact 1: Most ecosystems get energy from sunlight. Fact 2: Plants use sunlight to make energy. Given the two facts above, where does the energy in ecosytems come from?
****
A: Plants

Fact 1: Tidal energy can be used to produce electricity. Fact 2: Tidal energy is one of the oldest forms of energy used by humans. Given the two facts above, one of the oldest forms of energy used by humans can be used to produce what?
OPTIONS:
- food
- engines
- waves
- chemicals
- Decibels
- sound
- energy
- hormones
energy

Fact 1: Better senses have a positive impact on an animal 's survival. Fact 2: Cats have excellent eyesight, hearing and sense of smell. Given the two facts above, what has a positive impact on a cat's survival?
OPTIONS:
- Cataracts
- glycogen
- Hearing
- Hyperthyroidism
- food
- heat
- hormones
- Curiosity

Answer:
Hearing