You are presented with the quiz "what plays to learn how to behave?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "playing is one way mammals and other animals learn how to behave" and "opossums are a type of mammal called marsupials". So, what's the best answer to the question?

OPTIONS:
- opossums
- humans
- people
- fish
- exercise
- ants
- h2o
- catabolism

Answer: opossums

You are presented with the quiz "What is lung cancer most often caused by exposure to?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lung cancer is most often caused by exposure to tobacco smoke" and "tobacco is most commonly smoked in cigarettes". So, what's the best answer to the question?

OPTIONS:
- Chemical energy
- carbon dioxide
- asbestos
- sunlight
- water
- fossil fuels
- cigarettes
- hydrocarbons

Answer: cigarettes

You are presented with the quiz "What will something receive if they are outside during the day?" 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 "sunlight is pure energy". So, what's the best answer to the question?

OPTIONS:
- Sun
- Light
- darkness
- energy
- photons
- mistrust
- warmth
- fear

Answer: energy

You are presented with the quiz "androgens and what kind of messengers?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sex hormones are chemical messengers that control sexual development and reproduction" and "androgens are male sex hormones". So, what's the best answer to the question?

OPTIONS:
- animals
- interact
- organ
- humans
- chemical
- PDAs
- allow growth
- kinetic

Answer:
chemical