Aproduct is a group of products offered by a firm that are closely related to each other, either in terms of how they work, or the customers they serve. select one:
a. mix
b. line
c. spectrum
d. category

A product line is a group of products offered by a firm that are closely related to each other, either in terms of how they work, or the customers they serve. An example is the production of wine, beer, spirit, whiskey, vodka. These products may be different but they are related because they are all alcohol liquor.

uranium fissions/breaks up giving out energy and neutrons

because if the tool that you are using is not balanced it there would be false mass.