What is design reference threat

Technician a says that the radiator usually cools better if the front air dam is removed. technician b says that when a condenser has a leak it can be repaired easily with epoxy. who is correct?

Nikki sent flyers in the mail to all houses within the city limits promoting her computer repair service what type of promotion is this and example of

Jenny needs to record the names of 30 students, write down the subjects they studied, and note their grades in each subject after the midsemester exams and the end-of-semester exams. she divides the midsemester and end-of-semester information into two separate worksheets, sheet 1 and sheet 2. how will she rename the two worksheets?