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: You are presented with the quiz "How does water crack rocks?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ice wedging is when ice causes rocks to crack by expanding in openings" and "water expands as it freezes into ice". So, what's the best answer to the question?
A:
output: Turning to ice
You are presented with the quiz "sex hormones are what in male and female bodies?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sex hormones are chemical messengers that control sexual development and reproduction" and "sex hormones control sexual development in male and female bodies". So, what's the best answer to the question?

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: You are presented with the quiz "what can infection or injury of the lungs result in?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "pneumonia may be caused by an infection or injury of the lungs" and "death was attributed to pneumonia". So, what's the best answer to the question?
Answer: death
Problem:OPTIONS:
- Plants
- expelled
- heat
- recycling
- glucose
- trees
- food
- state

You are presented with the quiz "Where does the energy in ecosytems come from?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most ecosystems get energy from sunlight" and "plants use sunlight to make energy". So, what's the best answer to the question?
****
A: Plants
You are presented with the quiz "One of the oldest forms of energy used by humans can be used to produce what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "tidal energy can be used to produce electricity" and "tidal energy is one of the oldest forms of energy used by humans". So, what's the best answer to the question?
OPTIONS:
- food
- engines
- waves
- chemicals
- Decibels
- sound
- energy
- hormones
energy
You are presented with the quiz "What has a positive impact on a cat's survival?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "better senses have a positive impact on an animal 's survival" and "cats have excellent eyesight, hearing and sense of smell". So, what's the best answer to the question?
OPTIONS:
- Cataracts
- glycogen
- Hearing
- Hyperthyroidism
- food
- heat
- hormones
- Curiosity

Answer:
Hearing