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Wallbank taught history at the University of Southern California from 1933 to 1964. He collaborated with Alastair M. Taylor to write Civilization Past & Present. Civilization (1942) was the first world-history textbook published in the United States to enjoy great success in sales.
e. Advanced Placement ( AP) World History: Modern (also known as AP World History, AP World, APWH, or WHAP) is a college-level course and examination offered to high school students in the United States through the College Board 's Advanced Placement program. AP World History: Modern was designed to help students develop a greater understanding ...
Viola is a genus of flowering plants in the violet family Violaceae. It is the largest genus in the family, containing over 680 species. Most species are found in the temperate Northern Hemisphere; however, some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes. Some Viola species are perennial plants, some are ...
Neglected and under-utilised crops are domesticated plant species used for food, medicine, trading, or cultural practices within local communities but not widely commodified or studied as part of mainstream agriculture. [ 1 ][ 2 ] Such crops may be in declining production. [ 3 ] They are considered under-utilised in scientific inquiry for their ...
Viola sororia is a short-stemmed, herbaceous perennial plant that grows in well-drained and shady habitats. [5] This 15–25 centimeters (6–10 in) wide violet has glossy, heart-shaped leaves and are topped with purple flowers with white throats. The lower three petals are hairy and the stem of the flower droops slightly. [7]
People may use the terms sustainability and sustainable development in ways that are different to how they are usually understood. This can result in confusion and mistrust. So a clear explanation of how the terms are being used in a particular situation is important. [24] Greenwashing is a practice of deceptive marketing. It is when a company ...
Pollution. Food loss and waste is food that is not eaten. The causes of food waste or loss are numerous and occur throughout the food system, during production, processing, distribution, retail and food service sales, and consumption. Overall, about one-third of the world's food is thrown away.
Violaceae is a family of flowering plants established in 1802, consisting of about 1000 species in about 25 genera. It takes its name from the genus Viola, the violets and pansies . Older classifications such as the Cronquist system placed the Violaceae in an order named after it, the Violales or the Parietales.