Please answer this: - Blood is carried to the kidneys through the renal arteries - The kidneys contain filters inside - The filters capture the waste products - The waste is combined with water to make urine - The urine leaves the kidney and is collected in the bladder - The cleaned blood is returned to the body. What might be the first step of the process?
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Answer: Waste products are deposited in the blood

Please answer this: - The fire surrounds the vicinity - The animals are trapped - Those that survive have their habitat destroyed - The survivors must find a new habitat - Conflict with other animals occur. What might be the first step of the process?
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Answer: A forest fire starts

Please answer this: - Sulfur in the coal combines with oxygen to form sulfur oxides - The sulfur oxides are released into the atmosphere - The sulfides combine with oxygen in the atmosphere to form sulfur trioxide - The sulfur trioxide reacts with water in the atmosphere to form sulfuric acid, a very strong acid - The sulfuric acid makes the rain acidic - What might be the first step of the process?
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Answer:
Coal is burned