Q: You are presented with the quiz "What does most wiring require?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "wiring requires an electrical conductor" and "copper is a much better conductor". So, what's the best answer to the question? | OPTIONS:
- water
- fire
- copper
- heat
- Proteins
- tube
- batteries
- energy
A: copper

Q: You are presented with the quiz "What often precedes mating?" 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 "friendship usually precedes courtship, and courtship, marriage". So, what's the best answer to the question? | OPTIONS:
- A Greek letter
- competition
- friendship
- birth of a child
- death
- Chemical energy
- pregnancy
- sweating
A: friendship

Q: You are presented with the quiz "how do african elephants breathe" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lungs are used for breathing air by land animals" and "african Elephants are the biggest land animals". So, what's the best answer to the question? | OPTIONS:
- with ears
- with skin
- survive
- four limbs
- with lungs
- Pituitary gland
- with tusk
- Heart rate
A: with lungs

Q: You are presented with the quiz "what adults are barrel-shaped?" 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 "tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic". So, what's the best answer to the question? | OPTIONS:
- sea squirts
- fertile
- homogenous
- reproduce
- Length
- insects
- barnacles
- survive
A: sea squirts