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  2. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    Environmental protection has been made a fundamental duty of every citizen of India under Article 51-A (g) of the constitution which says "It shall be the duty of every citizen of India to protect and improve the natural environment including forests, lakes, rivers, and wildlife and to have compassion for living creatures".

  3. Arm span - Wikipedia

    en.wikipedia.org/wiki/Arm_span

    Arm span or reach (sometimes referred to as wingspan, or spelled armspan) is the physical measurement of the length from one end of an individual's arms (measured at the fingertips) to the other when raised parallel to the ground at shoulder height at a 90° angle. The arm span measurement is usually very close to the person's height.

  4. Body proportions - Wikipedia

    en.wikipedia.org/wiki/Body_proportions

    legs (floor to crotch, which are typically three-and-a-half to four heads long; arms about three heads long; hands are as long as the face. [ 10 ] Leg-to-body ratio is seen as indicator of physical attractiveness but there appears to be no accepted definition of leg-length: the 'perineum to floor' measure [ e ] is the most used but arguably the ...

  5. Firearm - Wikipedia

    en.wikipedia.org/wiki/Firearm

    Early long arms, from the Renaissance up to the mid-19th century, were generally smoothbore firearms that fired one or more ball shot, called muskets or arquebuses depending on caliber and firing mechanism. Since the 19th and 20th centuries, various types of long guns have been created for different purposes.

  6. Fires in the West are becoming ever bigger, consuming. Why ...

    www.aol.com/news/fires-west-becoming-ever-bigger...

    More than 110 active fires covering 2,800 square miles (7,250 square kilometers) were burning in the U.S. on Friday, according to the National Interagency Fire Center. Fires are becoming bigger ...

  7. Human skeletal changes due to bipedalism - Wikipedia

    en.wikipedia.org/wiki/Human_skeletal_changes_due...

    Human walking is about 75% less costly than both quadrupedal and bipedal walking in chimpanzees. Some hypotheses have supported that bipedalism increased the energetic efficiency of travel and that this was an important factor in the origin of bipedal locomotion. Humans save more energy than quadrupeds when walking but not when running.

  8. The U.S. has the widest health span-lifespan gap - AOL

    www.aol.com/lifestyle/u-biggest-lifespan-health...

    Researchers found that people worldwide live 9.6 years longer than they are healthy — and in the U.S. the gap is more than 12 years. The U.S. has the biggest lifespan-health span gap in the world.

  9. ‘I Did Plank Variations Every Day For A Month—And ... - AOL

    www.aol.com/did-plank-variations-every-day...

    (Proof planks are so much more than core.) The perks showed up early, too. By day five, I started to really feel the burn in the lower belly, which I usually find more difficult to target.