Examlex
What might cause people to judge that something they see in the sky is a gigantic UFO traveling at an incredible velocity?
Arctic Winds
Cold, often powerful winds originating from the Arctic regions, affecting climate and weather patterns.
Montane Successional Gradient
The sequence of community changes which occur on a mountain over time, from pioneer species to a stable climax community.
Eutrophication
An increase in the concentration of chemical nutrients in an ecosystem to an extent that increases the growth of algae and higher plants, often resulting in the depletion of oxygen.
Conifers
A group of cone-bearing seed plants, mostly evergreens, that include pines, spruces, and firs, known for their needle-like or scale-like leaves.
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