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Define psychology. the scientific study of mind and behavior. Goals of psychologists in terms of both basic science and application. psychologists seek to understand how and why people think, feel, and act. goals: 1. describe, 2. explain, 3. predict, and 4. influence behavior and mental processes. Basic Research- accumulating knowledge research.
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Helium is a chemical element. Its official symbol is He, and its atomic number is 2, which means it has two protons in its nucleus. Helium was named after Helios – the Greek Titan of the Sun – because it was first observed when analysing sunlight during a solar eclipse in 1868.
Definition. Helium is a colorless, odorless, and inert noble gas that is the second lightest and second most abundant element in the universe. It is a crucial element in various scientific and industrial applications, with its unique properties making it indispensable in fields ranging from cryogenics to medical imaging.
15 Ιουν 2021 · Helium is the second most common element in the Universe; it was formed during the Big Bang and there is lots in stars, which release energy by fusing hydrogen atoms to give helium. However, Earth’s helium is produced by alpha decay within the Earth’s crust.
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