Q: Gravitational force on a large scale dominates interactions between large objects because it is always what? A:

OPTIONS:
- ugly
- vulnerable
- suitable
- attractive

Answer: attractive

Q: Where do polychaete worms live? A:

OPTIONS:
- in tide pools
- attached to marine life
- in coral reefs
- the ocean floor

Answer: the ocean floor

Q: What is the term for the force applied to a wheel and axle? A:

OPTIONS:
- velocity force
- momentum
- output force
- input force

Answer: input force

Q: What organ has four ventricles, all of which developed from the original hollow space within the neural tube? A:

OPTIONS:
- heart
- liver
- bladder
- brain

Answer:
brain