Two technicians are discussing ase certification exams. technician a says that each separate examination covers a particular automotive service area. technician b says that the exams are offered at several times a year in a proctored computer lab on a computer. who is right? a. both a and b b. neither a nor b c. a only d. b only

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii