Examlex
A network interface card (NIC) operates at the Open Systems Interconnection (OSI) model's _____ layers.
Oxygen
A chemical element with symbol O, essential for cellular respiration in most living organisms and a major component of Earth's atmosphere.
Metabolic Pathways
Sequences of chemical reactions that occur in a cell, transforming substrates into products and energy.
Sunlight
The natural light emitted by the Sun, which is a primary energy source for Earth's climate system and necessary for photosynthesis in plants.
Photosynthesis
The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
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