(Question)
Q: Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what? Choices: - fuel - pressure - momentum - energy A:
(Answer)
energy

(Question)
Q: What is the advantage of selecting for certain genetic traits for crops? Choices: - protection from pests - improves taste - Faster growth - promotes productivity A:
(Answer)
promotes productivity

(Question)
Q: What element is the sun mostly made up of? Choices: - manganese - mercury - helium - hydrogen A:
(Answer)
hydrogen