Post Title

**The speed of light in a vacuum is about:**A) 300 million meters per secondB) 300 million meters per hourC) 300 million kilometers per secondD) 300 million kilometers per hour Show Answer Correct Answer: A – 300 million meters per second

**Which of the following has no blood, but respires?**A) CockroachB) EarthwormC) FishD) Hydra Show Answer Correct Answer: D – Hydra

**An earthquake is measured by the instrument:**A) Wave guideB) BarometerC) SeismographD) Hydrometer Show Answer Correct Answer: C – Seismograph