Technician a says that electronic leak detectors make a noise when a leak is detected. technician b says that often the same leak detector can be used for r-12 and r 134a. 
            a.  neither technician a nor b    b.  technician a only    c.  both technicians a and b    d.  technician b only 

popular sovereignty   influenced the declaration of independence because the colonists wanted to have freedom to do they wanted so they put into writing

1

b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

3

d the grange

4

c over 15,000 bankrupt businesses

5

c people became more self-sufficient

b. shared language, culture, and ethnicity