Technician A says that ozone (O3) in the upper atmosphere is caused by CFCs and harms the environment. Technician B says that CFCs leach oxygen atoms from ozone (O3) reducing it to O2. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
You might also like to view...
Cold cracks are caused by tearing the metal along partially fused grain boundaries of welds that have not completely solidified.
Answer the following statement true (T) or false (F)
A(n) _____ is a logical argument with three propositions or claims
a. comparison b. syllogism c. false argument d. deduction
The subsequent problems, each of which is independent of the others, deal with the figure below,
If X is 0 and the NO button is held down, Y is
A. 0 B. 1
Technician A says that a cause of both high, low- and high, high-side A/C system pressure readings, is an overcharged refrigerant condition. Technician B says that a cause of high low-side and high, high-side A/C system pressures is a system that is heavily over-charged with oil. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B