Q: What cause the rippled surface of the ocean? Choices: - winds - tides - earthquakes - waves A:
waves

Q: What is a benefit of low sulfur coal over high sulfur coal? Choices: - greater enerty - lower cost - less erosion - less pollution A:
less pollution

Q: Q: The skull is a part of a vertebrate endoskeleton that encloses and protects what organ? Choices: - nervous system - lung - heart - brain A:
A: brain

Question: Q: What is the name of the bone that forms the forehead? Choices: - forebone - high bone - upper bone - frontal bone A:
Answer: frontal bone

*Question*
Q: Through what does the nerve impulses travel to the brain? Choices: - abducent nerve - trochlear nerve - oculomotor nerve - optic nerve A:
**Answer**
optic nerve

(Q).
Q: The major cause of outdoor air pollution is the burning of? Choices: - trees - trash - charcoal briquettes - fossil fuels A:
(A).
fossil fuels