Examlex
Butane and 2-propanone have approximately the same boiling points.
Fishlike Vertebrates
Aquatic animals featuring a backbone, including both true fish and fish-shaped species with similar living habitats and structures.
Million Years
A time unit used in geology and astronomy to describe extremely long periods, typically used in the context of the age of the earth or the distance of cosmological objects.
Population
Members of a species that reside and reproduce with each other in a particular location.
Annual Grass
A type of grass that completes its entire life cycle from seed to death within one year.
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