Q: Earthquake waves that travel trhough underground rocks in all directions are known as? Choices: - tertiary waves - primary waves - typical waves - secondary waves A:
secondary waves

Q: What term is used to describe potential energy due to an object's shape? Choices: - stimulated potential energy - flexible energy - kinetic energy - elastic potential energy A:
elastic potential energy

Q: Q: While matter is recycled, ecosystems need a constant input of what? Choices: - heating - food - light - energy A:
A: energy

Question: Q: What kind of electricity can you generate with the energy found in flowing water? Choices: - wind energy - electrical power - transient power - hydroelectric power A:
Answer: hydroelectric power

*Question*
Q: What kind of muscle is responsible for making the human heart beat? Choices: - deltoid - teres minor - respiratory muscle - cardiac muscle A:
**Answer**
cardiac muscle

Q: Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what? Choices: - lagoon - trenches - break water - coral reefs A:
coral reefs