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  2. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals.The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems.

  3. List of primary education systems by country - Wikipedia

    en.wikipedia.org/wiki/List_of_primary_education...

    Subjects usually taken up include Communication Arts in Mother Tongue (until Grade 3), English (some private schools break this down into Language and Reading) and Filipino, Mathematics, Science, Social Studies (taught in Mother Tongue from Grade 1-Grade 3, Filipino in Grades 4-6), Music, Art, Physical Education and Health (collectively known ...

  4. Educational stage - Wikipedia

    en.wikipedia.org/wiki/Educational_stage

    The exception is the grade 8 of primary school and the grade 4 of high school when the classes end a couple of months earlier so the children can study for their entry exams for high school/college. Depending on which high school a child chooses, they can get more focused education and a professional degree.

  5. Today's Wordle Hint, Answer for #1255 on Monday, November 25 ...

    www.aol.com/todays-wordle-hint-answer-1255...

    Today's Wordle Answer for #1255 on Monday, November 25, 2024. Today's Wordle answer on Monday, November 25, 2024, is BROWN. How'd you do? Next: Catch up on other Wordle answers from this week.

  6. Electromagnetic spectrum - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_spectrum

    By definition, visible light is the part of the EM spectrum the human eye is the most sensitive to. Visible light (and near-infrared light) is typically absorbed and emitted by electrons in molecules and atoms that move from one energy level to another. This action allows the chemical mechanisms that underlie human vision and plant photosynthesis.

  7. Club World Cup 2025: Teams, schedule, stadiums, groups and ...

    www.aol.com/sports/club-world-cup-2025-teams...

    December 5, 2024 at 3:07 PM The 2025 FIFA Club World Cup is a 32-team tournament featuring top professional clubs from around the world, set to begin June 15, 2025, in the U.S. (Photo courtesy of ...

  8. Here's what Wall Street analysts say is ahead for Intel after ...

    www.aol.com/heres-wall-street-analysts-ahead...

    Intel stock dropped 6% on Tuesday as investors reacted to the CEO's departure. Wall Street analysts say there's more uncertainty ahead for the chip maker.

  9. Rayleigh scattering - Wikipedia

    en.wikipedia.org/wiki/Rayleigh_scattering

    The picture on the right is shot through a polarizing filter: the polarizer transmits light that is linearly polarized in a specific direction. The blue color of the sky is a consequence of three factors: [17] the blackbody spectrum of sunlight coming into the Earth's atmosphere, Rayleigh scattering of that light off oxygen and nitrogen ...