Why is stratospheric ozone so important to our environment?
What will be an ideal response?
It shields the Earth from ultraviolet (UV-B) radiation.
You might also like to view...
Technician A says that wet asbestos is known as hazardous waste. Technician B says that dry asbestos is known as solid waste. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
When a disturbance to the manufacturing process occurs in an open-loop system, it is necessary to change the command signal to maintain the original controlled variable.
Answer the following statement true (T) or false (F)
Technician A says that in going to high altitudes, engines produce lower power. Technician B says that most engine control systems can compensate the air-fuel mixture for changes in altitude. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Side casings on doors are normally nailed 1/4" back from the edge of the jamb. This distance is referred to as
the _____. a. reveal b. margin c. recess d. offset