Help and friend you ok or help you Which best describes a disadvantage of an online discussion group?

It is more difficult to bond with other group members.

It is more difficult to find a common meeting place.

Participation is limited to students in the area.

Scheduling is limited to weekdays during school.

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b