Examlex
Which of the following elements has six valence electrons?
Flash Floods
Rapid flooding of geomorphologic low-lying areas - washes, rivers, dry lakes, and basins caused by intense rainfall events or sudden release of water.
Soil Erosion
The removal of topsoil by water, wind, or human activity, leading to loss of nutrients and soil fertility.
Alluvial Fans
Cone-shaped deposits of sediment crossed and built up by streams, typical at the base of mountain ranges in arid and semi-arid climates.
Hazardous Zone
An area that poses risks to human health, property, or the environment due to natural or human-made hazards.
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