The pH of a solution indicates the concentration of free H+ ions in solution on a negative log base 10 scale. Low pH (acidic) means high H+ concentration High pH (basic) means low H+ concentration.
Mistakes. 1  In the manga, Ravenpaw is shown with a slightly altered appearance from his description in the books. 2  He has been mistakenly called Ravepaw. 3  He was mistakenly mentioned with blue eyes.  He is mistakenly called a rogue by Sandstorm in A Clan in 1  Need. He is mistakenly called 'Ravenclaw' by Vicky.
Some blackbirds even have orange beaks! Telling a crow and a raven apart may be a bit trickier, but there ARE differences! For example, crows are smaller than ravens. A raven weighs twice as much as a crow! The beak of a crow is smaller and straighter than the beak of a raven, which is rounded at the bottom.In addition, the tail feathers of a crow are shaped like a fan, while the tail feathers of a raven come together in a central point.1  Share.ome blackbirds even have orange beaks! Telling a crow and a raven apart may be a bit trickier, but there ARE differences! For example, crows are smaller than ravens. A raven weighs twice as much as a crow! The beak of a crow is smaller and straighter than the beak of a raven, which is rounded at the bottom.