You are presented with the quiz "What happens to ice in water?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity" and "normally ice floats, because it is less dense than water". So, what's the best answer to the question?
OPTIONS:
- it evaporates
- it sinks
- it floats.
- it expands
- they bend
- Condensation
- vaporization
- kinetic energy
it floats.
You are presented with the quiz "what happens when sweat wets the skin?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sweat wets the skin, and when it evaporates, it cools the body" and "evaporation cools the skin and thereby reduces body temperature". So, what's the best answer to the question?
OPTIONS:
- digestion
- body temperature reduces
- liquid precipitation
- Temperature changing
- body temperature increases
- heat produced
- retaining heat
- condensation

Answer: body temperature reduces
Question: You are presented with the quiz "What does a stove use fire for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "astove is used for cooking by generating heat" and "fire generates heat and light". So, what's the best answer to the question?
OPTIONS:
- warmth
- coal
- cooking
- food
- energy
- burning itself
- support
- pellets
Answer: cooking
input with options: You are presented with the quiz "Ozone depletion causes worldwide temperature what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "global warming is when worldwide temperature increases" and "ozone depletion causes global warming". So, what's the best answer to the question?
OPTIONS:
- threatened
- Dehydration
- lessening
- decreases
- increases
- minimization
- cycles
- Pollution
output: increases
Q: You are presented with the quiz "What are some mountains caused by?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "wind and rain cause erosion" and "some mountains are caused by erosion". So, what's the best answer to the question?

OPTIONS:
- Physical weathering
- saucers
- ice wedging
- alluvial
- animals
- detritus
- aliens
- Wind and rain

A: Wind and rain
You are presented with the quiz "Hydrogen bonds cause what to expand when it freezes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hydrogen bonds cause water to expand when it freezes" and "water is everywhere H20". So, what's the best answer to the question?
OPTIONS:
- salt
- mercury
- NaCl
- lake
- H20
- rain
- h2o
- oxygen
H20