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The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974
Greek mythology mentions many plants and flowers, [122] where for example the lotus tree bears a fruit that causes a pleasant drowsiness, [123] while moly is a magic herb mentioned by Homer in the Odyssey with a black root and white blossoms. [124] Magic plants are found, too, in Serbian mythology, where the raskovnik is supposed to be able to ...
A distinction can be made between botanical science in a pure sense, as the study of plants themselves, and botany as applied science, which studies the human use of plants. Early natural history divided pure botany into three main streams morphology - classification , anatomy and physiology – that is, external form, internal structure, and ...
Architectural designs resembling plants appear in the capitals of Ancient Egyptian columns, which were carved to resemble either the Egyptian white lotus or the papyrus. [36] Ancient Greek columns of the Corinthian order are decorated with acanthus leaves. [37] Islamic art, too, makes frequent use of plant motifs and patterns, including on ...
The plants cultivated (or manipulated by humans) were lerén (Calathea allouia), arrowroot (Maranta arundinacea), squash (Cucurbita species), and bottle gourd (Lagenaria siceraria). All are plants of humid climates and their existence at this time on the semi-arid Santa Elena peninsula may be evidence that they were transplanted there from more ...
The first, nature itself and its change over time, includes the physical impact of humans on the Earth's land, water, atmosphere and biosphere. The second category, how humans use nature, includes the environmental consequences of increasing population, more effective technology and changing patterns of production and consumption.
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Water pollution occurs when water bodies, such as rivers, lakes and oceans are contaminated with harmful substances. These substances degrade the water quality and are toxic to humans as consumers and to the environment. [7] The contamination in a river can come from a point source or non-point source pollution. [8]