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1 dzień temu · Cattle (Bos taurus) are large, domesticated, bovid ungulates widely kept as livestock.They are prominent modern members of the subfamily Bovinae and the most widespread species of the genus Bos.Mature female cattle are called cows and mature male cattle are bulls.Young female cattle are called heifers, young male cattle are oxen or bullocks, and castrated male cattle are known as steers.
1 dzień temu · The exponential function is defined on the entire domain of the complex numbers.The definition of sine and cosine can be extended to all complex numbers via = = + These can be reversed to give Euler's formula = + = When plotted on the complex plane, the function for real values of traces out the unit circle in the complex plane.. When is a real number, sine and cosine ...
1 dzień temu · A car was stolen roughly every eight minutes in the UK last year, according to DVLA figures. Some 64,087 vehicles were reported stolen - an increase of 5% on the previous year. While car thefts ...
3 godz. temu · The proton–proton chain occurs around 9.2 × 10 37 times each second in the core, converting about 3.7 × 10 38 protons into alpha particles (helium nuclei) every second (out of a total of ~8.9 × 10 56 free protons in the Sun), or about 6.2 × 10 11 kg/s. However, each proton (on average) takes around 9 billion years to fuse with another ...
1 dzień temu · The Abbasid Caliphate or Abbasid Empire (/ ə ˈ b æ s ɪ d, ˈ æ b ə s ɪ d /; Arabic: الْخِلَافَة الْعَبَّاسِيَّة, romanized: al-Khilāfa al-ʿAbbāsiyya) was the third caliphate to succeed the Islamic prophet Muhammad.It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abd al-Muttalib (566–653 CE), from whom the dynasty takes its name.
