The main difference between an active and passive solar system is ___________
a. The passive solar system uses more energy than the active system.
b. The active solar system uses more energy than the passive system.
c. There is no difference between active and passive solar systems.
A
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The ____ is the speed at which light can travel through a material.
A. optical property B. diffractive index C. internal reflection D. vacuum ratio
Express 3 1/3 as an improper fraction.
What will be an ideal response?
____________________, ____________________ and ____________________ are three types of
portable power drills.
Fill in the blank(s) with the appropriate word(s).What is the relationship between drinking water wells and private septic systems on building lots?
A) Maximum separation from each other B) Located on opposite sides of the house C) Close proximity to each other D) Shared inflow and outflow piping