Urgent

is the north pole positively or negatively charged? it's for a timed answer hurry!

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)

Me as soon as possible! me as soon as possible!