Was imperialism a constructive force or a destructive force? how?

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element