*Question*
Q: What travels at the interface between the sea surface and the atmosphere? Choices: - ocean currents - ocean tides - ocean breeze - ocean waves A:
**Answer**
ocean waves

*Question*
Q: What is defined as the velocity of the object at a given moment? Choices: - specific gravity - relativistic velocity - inertia - instantaneous velocity A:
**Answer**
instantaneous velocity

*Question*
Q: What type of feeders are earthworms? Choices: - middle - top - oil - deposit A:
**Answer**
deposit

*Question*
Q: What are the two basic types of combustion engines? Choices: - gas and steam - spark and steam - diesel and internal combustion - external and internal combustion engines A:
**Answer**
external and internal combustion engines