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Reabsorption and secretion move material in opposite directions.
Global Warming
The increase in Earth's average surface temperature due to rising levels of greenhouse gases.
Human-Generated Problem
Issues or challenges that are directly caused by human actions or behavior, affecting the environment, society, or economy.
Scientific Evidence
Information that serves to either support or counter a scientific theory or hypothesis, derived from scientific methods.
Environmental Quality
The condition of the environment, considering factors like air and water purity, habitat health, and the presence of contaminants.
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Q138: The process by which urine is passed