(Question)
Q: What is used during every step of oil production, from exploration to distribution? Choices: - coal - robots - water - energy A:
(Answer)
energy

(Question)
Q: Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines? Choices: - oxygen - hydrogen - ammonia - nitrogen A:
(Answer)
nitrogen

(Question)
Q: In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery? Choices: - low blood pressure - high blood pressure - digestion - plaque formation A:
(Answer)
plaque formation