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  1. Northrop B-2 Spirit - Wikipedia

    A subsonic flying wing with a crew of two, the B-2 was designed by Northrop (later Northrop Grumman) as the prime contractor, with Boeing, Hughes Aircraft Company, and Vought as …

  2. 4 Health Benefits of Riboflavin (Vitamin B2)

    Aug 21, 2023 · Vitamin B2, aka riboflavin, is a B-complex vitamin found in meat, fortified grains, nuts and more. It helps turn carbohydrates into fuel for your body.

  3. Vitamin B2 Uses, Side Effects & Warnings - Drugs.com

    Oct 29, 2024 · Riboflavin is important in the maintenance of many tissues of the body. Riboflavin is used to treat or prevent deficiencies of riboflavin. Riboflavin may also be used for purposes …

  4. Vitamin B2: Role, sources, and deficiency - Medical News Today

    Nov 22, 2023 · Vitamin B2, or riboflavin, is important for a healthy metabolism, and for maintaining body tissues. Find out much we need and where we can we get it.

  5. B-2 Spirit > Air Force > Fact Sheet Display

    Its low-observability provides it greater freedom of action at high altitudes, thus increasing its range and a better field of view for the aircraft's sensors. Its unrefueled range is approximately …

  6. B-2 | Stealth Bomber, Cost, Speed, Size, Range, & Design | Britannica

    In 2008 a B-2 bomber crashed shortly after taking off from Andersen Air Force Base in Guam. Both pilots safely ejected, but the aircraft was destroyed. Another B-2 bomber was retired …

  7. B2 First preparation - Cambridge English

    Prepare for the B2 First (FCE) exam with sample papers, online practice tests, games, and video tips for your exam day. Computer and paper-based practice.

  8. English B2 level - CEFR definition and tests | EF SET

    English level B2 is the fourth level of English on the CEFR scale. In everyday speech, B2 level might be called “confident”, as in "I am a confident English speaker".

  9. Riboflavin - Health Professional Fact Sheet

    Riboflavin (Vit B2) overview for health professionals. Research health effects, dosing, sources, deficiency, side effects, and interactions here.

  10. B2 Upper intermediate | LearnEnglish

    Learners who achieve B2 Upper intermediate level can understand the main ideas of complex texts. They can interact with some fluency and communicate easily. They can write clear, …