Problem:OPTIONS:
- charger
- amplifier
- battery
- capacitor

Q: What do we call a device used to store electric charge? A:
****
A: capacitor

Q: What is the sequence of elementary steps that together comprise an entire chemical reaction called? A:
OPTIONS:
- reaction circle
- mechanical mechanism
- basic reaction
- reaction mechanism
reaction mechanism

Q: What involves the reaction of a hydrocarbon with oxygen gas to produce water and carbon dioxide? A:
OPTIONS:
- hydrogen reactions
- chemical reactions
- material reactions
- combustion reactions

Answer: combustion reactions

Question: Q: What is the large muscle that extends across the bottom of the chest below the lungs called? A:
OPTIONS:
- uterus
- pectoral
- abdomen
- diaphragm
Answer: diaphragm

input with options: Q: What group of gases are unusually unreactive? A:
OPTIONS:
- volcanic gases
- greenhouse gases
- halogens
- noble gases
output: noble gases

Problem: OPTIONS:
- chemistry
- physics
- geology
- biology
Q: Q: Ecology is a major branch of what higher-level "classification" of science? A:
Answer:
biology