Lake Superior contains 3.0 x 1015 gallons of water. How many cubic meters of water are contained in the lake? Express your final answer in scientific notation.

With the use/abuse of alcohol, the heart is more efficient in the use of nutrients by the heart tissue.

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii

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