The last option
i think it says d but the image is blurry
Oil spills, trash dumping, and sludge dumping are the sources of point- source pollution
Answer:
heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top. vapours from the oil rise through the column. vapours condense when they become cool enough. liquids are led out of the column at different heights.
Explanation:
A covalent bond ocurs when two elements, which are usually non-metals, share electrons<span>. an ionic bond, however, ocurs when two elements, usually a metal and a non-metal, transfer </span>electrons<span>. because of the transfer of </span>electrons<span> that occurs during ionic bonding, ionic bonds are, for the most part, much stronger, hope it helps :)</span>
Some elements that are not abbreviated with one or two letters on the periodic table are Ununoctium (Uuo) and Ununtrium (Uut).
