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Vor 13 Stunden · For instance, members of the Macropodidae family, including kangaroos and wallabies, have a dental formula of 3/1 – (0 or 1)/0 – 2/2 – 4/4. Many marsupials typically have between 40 and 50 teeth, which is notably more than most placental mammals. Notably, in marsupials, the second set of teeth only grows in at the site of the third premolar and posteriorly; all teeth anterior to this ...
Vor 13 Stunden · Iridium is one of the nine least abundant stable elements in Earth's crust, having an average mass fraction of 0.001 ppm in crustal rock; platinum is 10 times more abundant, gold is 40 times more abundant, and silver and mercury are 80 times more abundant. [15] Tellurium is about as abundant as iridium. [15]
- silvery white
- group 9
- 77
Vor 13 Stunden · Education in Germany is primarily the responsibility of individual German states ( Länder ), with the federal government only playing a minor role. While kindergarten (nursery school) is optional, formal education is compulsory for all children ages 6 to 18. [1] Students can complete three types of school leaving qualifications, ranging from ...
Vor 13 Stunden · A 1978 study argued that “Today every government in the world-including Red China with its squadrons of semi-trained “barefoot doctors”-realizes it has a responsibility to keep its citizens in good physical and mental health. Unlike the U.S., nations like Scandinavia, the U.K., Ireland, Japan and others have opted for a universal health care system in which the state pays everyone's ...
Vor 13 Stunden · This is done by a proportional formula or method; for example, the Sainte-Laguë method – these are the same methods that may be used to allocate seats for geographic proportional representation (for example, how many seats each states gets in the US House of Representatives). Votes and seats often cannot be mathematically perfectly allocated, so some amount of rounding has to be done. The ...
Vor 13 Stunden · Allosaurus ( / ˌæləˈsɔːrəs /) [2] [3] is an extinct genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic period ( Kimmeridgian to late Tithonian ages ). The name " Allosaurus " means "different lizard", alluding to its unique (at the time of its discovery) concave vertebrae.
Vor 13 Stunden · Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is "a deficiency, excess, or imbalance of energy, protein and other nutrients " which adversely affects the body's tissues and form. [13] Malnutrition is not receiving the correct amount of nutrition.
