Indian, Pacific, Atlantic, Arctic Oceans are the 4
<span>The major river of Venezuela's iron-rich eastern region is the Orinoco, meaning the answer is D. Orinoco.</span>
I believe it is called <span>intrusive igneous.
Hope this helps,
♥<em>A.W.E.<u>S.W.A.N.</u></em>♥</span>
Because some states refused to ratify the Articles of Confederation.