Examlex
Which of the following engulfs foreign particles?
Rock Strata
Layers of sedimentary rock that are arranged in a chronological sequence, each layer typically representing a period of geological time.
Erosion
The process by which natural forces such as water, wind, ice, and gravity wear away soil, rock, or land.
Origination Rate
The speed at which new species or genetic variations appear within a given lineage or ecosystem over time.
Extinction Rate
The rate at which species or other taxa disappear from Earth, an important factor in studying biodiversity and the effects of human activities and natural events on ecosystems.
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