Examlex
An atom has 6 electrons in its outer shell. How many unpaired electrons does it have?
Hydrothermal Vents
Openings in the ocean floor that release heated water rich in minerals, supporting unique ecosystems based on chemosynthesis rather than photosynthesis.
Mass Depletion
refers to the significant reduction of natural resources or materials on Earth due to human activities or natural processes.
Extinction Rate
The rate at which species and populations of organisms die out over time, often accelerated by human activities and environmental changes.
Environmental Conditions
The various physical and biological factors that influence the life and activities of organisms, including climate, soil, and water.
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