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Vor 6 Tagen · Visna-maedi virus. The human immunodeficiency viruses ( HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3]
20. Mai 2024 · Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [2] [3] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). [4] Heat pumps are similar in many ways to air conditioners, but ...
Vor 5 Tagen · Die Wirtschaft Kroatiens wird stark vom Tourismus bestimmt, [9] so dass 2019 die Einnahmen daraus 19,2 % des Bruttoinlandsprodukts ausmachten. [10] Kroatien ist Mitglied der Vereinten Nationen, der Europäischen Union, der NATO, der OSZE und der Welthandelsorganisation.
Vor 3 Tagen · t. e. Instagram [a] is a photo and video sharing social networking service owned by Meta Platforms. It allows users to upload media that can be edited with filters, be organized by hashtags, and be associated with a location via geographical tagging. Posts can be shared publicly or with preapproved followers.
Vor 6 Tagen · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Vor 5 Tagen · Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect against the risk of a contingent or uncertain loss. An entity which provides insurance is known as an ...
Vor 3 Tagen · Brasilien ( portugiesisch Brasil, gemäß Lautung des brasilianischen Portugiesisch [ bɾaˈziu̯] Aussprache ⓘ /? ), amtlich die Föderative Republik Brasilien, ist der Fläche nach der fünftgrößte und mit rund 214 Millionen Einwohnern der Bevölkerung nach der siebtgrößte Staat der Erde.
