Atomizing humidifiers discharge ____ into the air.
A. CO2
B. electronic ions
C. tri-valant oxygen
D. tiny water droplets
Answer: D
Trades & Technology
You might also like to view...
By the year 2050, scientists predict there will be over _____ billion people in the world
a. 2 c. 11 b. 5 d. 50
Trades & Technology
All birds in a flock infected with END must be destroyed to prevent the spread of the disease.
Answer the following statement true (T) or false (F)
Trades & Technology
Explain how to take a static pressure reading on a duct system
What will be an ideal response?
Trades & Technology
A malfunctioning thermostat can cause poor heater performance.
Answer the following statement true (T) or false (F)
Trades & Technology