You are presented with the quiz "What bonds cause H2O to expand when freezing?" 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 made up of H2O molecules". So, what's the best answer to the question?

OPTIONS:
- Covalent
- Hydrogen
- Metallic
- an ion
- Heat energy
- Ionic
- heat
- an anion

Answer: Hydrogen
Problem: OPTIONS:
- fungus
- a solute
- sun
- bricks
- lake
- liquid
- corals
- bacteria
Q: You are presented with the quiz "What forms in warm water?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "corals form large colonies in shallow tropical water" and "warm tropical waters provide unrivaled encounters". So, what's the best answer to the question?
Answer: corals
Problem:OPTIONS:
- autumn
- december
- ligt
- tuesday
- Summer
- Winter
- spring
- january

You are presented with the quiz "when does mating begin?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mating is generally preceded by courtship" and "mating and courtship begins in late April". So, what's the best answer to the question?
****
A: spring
You are presented with the quiz "What determines the climate to change?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earth orbiting the Sun causes seasons to change" and "climate changes across seasons can be explained by the tilt of the Earth's rotation axis". So, what's the best answer to the question?
OPTIONS:
- exposure to cold
- Greenhouse gases
- the sun's energy
- degrees Celsius
- Greenhouse gasses
- organisms and their habitat
- Decreased precipitation
- The way the earth is tilted
The way the earth is tilted
You are presented with the quiz "When a hemisphere is tilted away from the sun, that hemisphere will have what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight" and "the less direct the sunlight, the colder the weather". So, what's the best answer to the question?
OPTIONS:
- unstable weather
- warmer weather
- rays or beams
- permineralization
- solar weather
- scattered light
- scarce resources
- colder weather

Answer: colder weather
input with options: You are presented with the quiz "What ocean organisms feed on phytoplankton?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "zooplankton are tiny animals that feed on phytoplankton" and "scientists have shown that ocean organisms known as zooplankton harbor cholera bacteria". So, what's the best answer to the question?
OPTIONS:
- gills
- fungi
- a fish
- life
- CO 2
- edible
- sharks
- tiny
output:
tiny