The correct answer is D. Nature is timeless and beautiful.
Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
Answer:
Safer Internet Day (SID) is an international event taking place in February every year. It promotes a safer and a more responsible use of online technology by children and young people across the world. Over the years, Safer Internet Day (SID) has become a landmark event in the online safety calendar
Explanation:
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3D printing is incredibly resource efficient since the only material consumed is what passes under the laser (or through the extruder, etc.), whereas traditional manufacturing requires the use of extra materials (molds for injection molding, scraps for perforated sheet metal assembly, etc.)
