How reliable are grammar checkers?

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?

Select the correct answer. andy received a potentially infected email that was advertising products. andy is at risk of which type of security threat? a. spoofing b. sniffing c. spamming d. phishing e. typo-squatting

In microsoft word, when you highlight existing text you want to replace, you're in              a.  advanced mode.    b.  automatic mode.    c.  basic mode.    d.  typeover mode