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Which of these elements is the most abundant in the universe?
Air Pollution
Contamination of the air by harmful substances including gases, particulates, and biological molecules, often resulting from human activities.
Depletion Time
The period it takes for a non-renewable resource to be exhausted at its current rate of use.
Mining Technology
The collection of techniques, methods, or processes used in the extraction of minerals or raw materials from the earth.
High-Temperature Ceramic
Materials that are capable of withstanding extremely high temperatures while maintaining their strength and structural integrity, often used in industrial and aerospace applications.
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