You are presented with the quiz "Ingredients can irritate what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vinegar can cause harm to the eyes" and "ingredients: Habanero Peppers, Vinegar, Salt, Cider Vinegar". So, what's the best answer to the question?

OPTIONS:
- ears
- body
- people
- eyes
- nerves
- hair
- speech
- skin

Answer: eyes

You are presented with the quiz "What is a major route of removing wastes from the body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "excretion is the process of removing wastes and excess water from the body" and "major route of excretion is in the feces". So, what's the best answer to the question?

OPTIONS:
- Detoxifying teas
- Feces
- Burping
- Essential Oils
- glucose
- sodium
- NaCl
- rivers

Answer: Feces

You are presented with the quiz "Adult tulip bulbs are what shape?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adult tunicates are barrel-shaped" and "tulip bulbs are tunicated". So, what's the best answer to the question?

OPTIONS:
- barrel-shaped
- a prism
- Something to move
- fertile
- epidermal
- solid, liquid, gas
- revolving
- reflecting light

Answer: barrel-shaped

You are presented with the quiz "Changes in what can cause extreme shortages of food?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "changes in the pH of soil can cause plants to die" and "famines are extreme shortages of food that cause people to die of starvation". So, what's the best answer to the question?

OPTIONS:
- pH of soil
- Dehydration
- climate
- colder weather
- global warming
- salinity
- Time and energy
- Winter

Answer:
pH of soil