Problem: OPTIONS:
- radiation shielding
- hydrogen and oxygen
- electromagnetic energy
- gasoline
- direct energy
- heat energy
- a closed circuit
- oxygen
Q: You are presented with the quiz "An electric car requires what to operate?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "powering an electrical device with a battery requires a path for electricity to flow through a closed circuit" and "electric cars have big batteries instead of engines". So, what's the best answer to the question?
Answer: a closed circuit
Problem:OPTIONS:
- sunlight
- energy barrier
- coastlines
- erosion
- ocean
- earthquakes
- tornado
- mechanical

You are presented with the quiz "what does fault movement form?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "faulting of rock in Earth 's crust causes earthquakes" and "earthquakes are caused by movements on faults". So, what's the best answer to the question?
****
A: earthquakes
You are presented with the quiz "What is used to protect plants from contracting molecules?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "agreenhouse is used to protect plants from the cold" and "molecules expand with heat and contract with cold". So, what's the best answer to the question?
OPTIONS:
- greenhouses
- staying warm
- Enzymes
- earmuffs
- electricity
- jackets
- sweaters
- exoskeleton
greenhouses
You are presented with the quiz "What do all vertebrates have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chordates have a complete digestive system and a closed circulatory system" and "all chordates are vertebrates". So, what's the best answer to the question?
OPTIONS:
- sensory neurons
- characteristics
- a complete digestive system
- Veins and arteries.
- sub-units of species
- wings and feathers
- gills
- gizzard

Answer: a complete digestive system
Question: You are presented with the quiz "some proteins do what to antigens to cause blood clots" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "antibodies are large, Y-shaped proteins that recognize and bind to antigens" and "some of the antibodies, antophospholipid antibodies, cause blood clots". So, what's the best answer to the question?
OPTIONS:
- edema
- Toxins
- H 2 O
- bind
- work
- fusion
- HIV
- damage
Answer: bind
input: OPTIONS:
- Energy.
- Energy
- glucose
- currents
- kinetic
- heat
- oxygen
- food Now, answer this question: You are presented with the quiz "What does electron transport require?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "electron transport is the final stage of aerobic respiration" and "aerobic respiration requires Oxygen". So, what's the best answer to the question?
A:
output:
oxygen