input: OPTIONS:
- mines
- deforestation
- Movement
- Water expanding
- waves
- ice wedging
- heavy rain
- mouth of rivers Now, answer this question: You are presented with the quiz "what are landslides caused by?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heavy rains cause flooding" and "with the rain comes floods, and with the floods come erosion and landslides". So, what's the best answer to the question?
A:
output: heavy rain
You are presented with the quiz "Where are salt and freshwater biomes found?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "marine biomes are found in the salt water of the ocean" and "estuaries display characteristics of both marine and freshwater biomes". So, what's the best answer to the question?

OPTIONS:
- salt water
- state
- sea
- estuaries
- rivers
- atlantic ocean
- Sediment
- Deposition

Answer: estuaries
Problem: OPTIONS:
- Brutal temperatures
- water drying up
- a tree falling
- homes damaged by floods
- stores hiring clerks
- flooding online
- exposure to cold
- Plant growth is reduced
Q: You are presented with the quiz "Storms can cause what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "storms cause bodies of water to increase amount of water they contain" and "more than 500 homes have been damaged by flood waters". So, what's the best answer to the question?
Answer: homes damaged by floods
Problem:OPTIONS:
- calcite
- streams
- gourdin
- Sediment
- cactuses
- watershed
- streams.
- crust

You are presented with the quiz "What does water easily flow through?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if soil is permeable then water easily flows through that soil" and "gourdin soils have slow permeability". So, what's the best answer to the question?
****
A: gourdin
You are presented with the quiz "What do birds secrete to attract a mate?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "courtship is behavior that is intended to attract a mate" and "for example, female birds secrete estrogen in response to the courtship of their male mates". So, what's the best answer to the question?
OPTIONS:
- Energy.
- Energy
- fur and fat
- seeds
- oxygen
- pollen
- Estrogen
- acetic acid
Estrogen
You are presented with the quiz "What can have a more complex nervous system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a more complex nervous system" and "corals, and invertebrates in general, are delicate creatures". So, what's the best answer to the question?
OPTIONS:
- a fish
- Birds
- insects
- coral
- the Sun
- ducks
- rocks
- air molecules

Answer:
coral