Q: You are presented with the quiz "What can happen when menstruation stops?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "menopause occurs when menstruation stops occurring, usually in middle adulthood" and "hot flashes are the classic sign of menopause and peri-menopause". So, what's the best answer to the question? | OPTIONS:
- excess fertility
- more eggs produced
- Smoking
- menstruation
- rapid expansion
- Dehydration
- massive damage
- hot flashes
A: hot flashes

Q: You are presented with the quiz "Chitin can be used for protection by whom?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "scales are used for protection by scaled animals" and "fish scales are also composed of chitin". So, what's the best answer to the question? | OPTIONS:
- Fungi
- People
- Man
- Fish
- trees
- Dogs
- animal
- Birds
A: Fish

Q: You are presented with the quiz "the ability to sense and maintain body position prevents people what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "balance is the ability to sense and maintain body position" and "people fall when they lose their sense of balance". So, what's the best answer to the question? | OPTIONS:
- falling
- death
- illness
- starving
- blindness
- disease
- depression
- sweating
A: falling

Q: You are presented with the quiz "what are caverns formed from?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone" and "limestone caves are formed when acids attack and dissolve the calcite in limestone". So, what's the best answer to the question? | OPTIONS:
- storing water
- streams
- fossil fuels
- limestone
- streams.
- Rocks
- crust
- mines
A: limestone