Question: You are presented with the quiz "How do you keep a cup hot?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "insulated material can be used for keeping warm" and "an insulated cup with a cover is great for keeping beverages warm". So, what's the best answer to the question?
OPTIONS:
- less water
- electricity
- heat energy
- adding heat
- energy usage
- insulation
- squeeze
- energy
Answer: insulation

Question: You are presented with the quiz "What helps stop cells multiplying in cancer?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer is a disease in which cells divide out of control" and "chemotherapy works on cells that are dividing". So, what's the best answer to the question?
OPTIONS:
- the skin
- Honey
- sweating
- Chemotherapy
- H2O
- Chemical energy
- Titanium
- bioaerosols
Answer: Chemotherapy

Question: You are presented with the quiz "Earthworms are terrific for plants and are important what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earthworms are important deposit feeders that help form and enrich soil" and "earthworms are terrific for plants and soil". So, what's the best answer to the question?
OPTIONS:
- deposit feeders
- more abundant
- grounders
- agriculture
- Quality of life
- the environment
- dirt grubbers
- bird enemies
Answer:
deposit feeders