Answer: The correct answer is : The density of oil in a circular spot is given by :
s ( r ) = 50 / (1 + r), given in kg / m2 ; kilograms / square meter
s = density
Air pollution, and ozone layer depletion<span>
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A true ----------&/&/!/!-'a
<span>Small jagged pieces of rocks, minerals, and volcanic glass the size of sand and silt (less than 2 millimeters (1/12 inch) in diameter) erupted by a volcano are called volcanic ash. Very small ash particles can be less than 0.001 millimeters (1/25,000th of an inch) across.</span>
Answer:
that would be yellowstone national park
Explanation: