Q: You are presented with the quiz "When does something receive sun?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if something is outside during the day then that something will receive sunlight" and "if there is sun, there is sunlight, there is day". So, what's the best answer to the question?

OPTIONS:
- at night
- It gets heated up
- rays or beams
- during the day
- by indirect light
- in darkness
- after dusk
- Solar energy

A: during the day

Q: You are presented with the quiz "Which material slows the transfer of electricity?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an electrical insulator slows the transfer of electricity" and "plastic is an insulator of electricity". So, what's the best answer to the question?

OPTIONS:
- Cotton
- Water
- Smoking
- heat
- the skin
- Steel
- cigarettes
- Plastic

A: Plastic

Q: You are presented with the quiz "what contracts when fibers get shorter?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "muscle contraction occurs when muscle fibers get shorter" and "muscles in the upper arm called biceps are used to flex the arm". So, what's the best answer to the question?

OPTIONS:
- strength
- strong
- h2o
- bushes
- density
- wheat
- firm hugs
- biceps

A: biceps

Q: You are presented with the quiz "What systems are pollutants bad for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "air pollution harms the respiratory and circulatory systems" and "air pollution is caused by lots of different pollutants". So, what's the best answer to the question?

OPTIONS:
- destroying life
- classification system
- an organism's body
- respiratory and circulatory
- animal habitats
- ambulatory systems
- social security system
- the environment

A:
respiratory and circulatory