An oil skimmer is a machine used to separate a mixture of oil and water. after an oil spill in a body of water, skimmers are used to remove the floating oil from the water. which property is being used to separate oil and water in this way

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed