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A pond is a body of standing water, either natural or human-made, that is usually smaller than a lake. A wide variety of human-made bodies of water are classified as ponds, including water gardens designed for aesthetic ornamentation, fish ponds designed for commercial fish breeding, and solar ponds designed to store thermal energy.
For the carbon dioxide part of the bulk solvent, it provides temperature and pressure conditions near the phase transition point between the supercritical and the gaseous state. This leads to a natural accumulation zone for lipophilic organic molecules that dissolve well in supercritical CO 2 , but not in its gaseous state, leading to their ...
Natural selection is the ... (that is all the parts of one whole) happened like as if they were made for the sake of something, these were preserved, having been ...
Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]
The only answer I can hope to receive when I ask “why” is something about the intention of their designer, like that they wanted to give it the appearance of blossoming, or make it pass more ...
Natural science can be divided into two main branches: life science and physical science. Life science is alternatively known as biology, and physical science is subdivided into branches: physics, chemistry, earth science, and astronomy. These branches of natural science may be further divided into more specialized branches (also known as fields).
These stories aim to explain the origins of natural phenomena or human institutions within an already existing world. In Greco-Roman scholarship, the terms founding myth or etiological myth (from Ancient Greek : αἴτιον aition 'cause') are occasionally used to describe a myth that clarifies an origin, particularly how an object or custom ...
A river is a natural watercourse, [7] usually freshwater, flowing toward an ocean, a lake, a sea or another river. A few rivers simply flow into the ground and dry up completely without reaching another body of water. Rocky stream in the U.S. state of Hawaii. The water in a river is usually in a channel, made up of a stream bed between banks.