true or false Prior to the development of new extraction methods, bitumen, or oil sands, was not considered part of the world's oil reserves.

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)

What is the polyatamic ion of thiosulfate

How far is the region from the equator or control climate