Never start a job without knowing the and of the chemicals you are working with.

Explanation:

the blanks will be properties and hazard

       Working on chemicals can be a dangerous job so before working on chemicals we should have all the knowledge of the chemicals properties.

         And also while working on the chemical you should also have the knowledge of the hazard caused by the chemicals.

c)red bank

explanation:

red bank is a borough in monmouth county, new jersey, incorporated in 1908 and located on the navesink river, the area's original transportation route to the ocean and other ports.

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b