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2 天前 · Malaria is a mosquito-borne infectious disease that affects vertebrates. [6] [7] [3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches. [1] [8] In severe cases, it can cause jaundice, seizures, coma, or death.
3 天前 · The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses.
1 天前 · Below is a list of Delta Sigma Theta (ΔΣΘ) members, commonly referred to as Deltas. The sorority was founded on January 13, 1913, at Howard University and was first incorporated in Washington, D.C., on February 9, 1913. Its graduate chapters are named
2 天前 · It was fought on 3–4 October 1993, in Mogadishu, Somalia, between forces of the United States —supported by UNOSOM II —against the forces of the Somali National Alliance (SNA) and armed irregulars of south Mogadishu. The battle was part of the two-year-old Somali Civil War.
2 天前 · Oxygen is too chemically reactive to remain a free element in air without being continuously replenished by the photosynthetic action of living organisms. Another form ( allotrope) of oxygen, ozone ( O. 3 ), strongly absorbs ultraviolet UVB radiation and the high-altitude ozone layer helps protect the biosphere from ultraviolet radiation.
5 天前 · Binomial distribution for = with n and k as in Pascal's triangleThe probability that a ball in a Galton box with 8 layers (n = 8) ends up in the central bin (k = 4) is /. In probability theory and statistics, the binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a sequence of n independent experiments, each asking a yes–no ...
3 天前 · A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
