In mathematical induction, showing that something works for the first case, or that P1 is true. angle of depression. The angle formed by a horizontal line and an observer's line of sight to an object below. angle of elevation. The angle formed by a horizontal line and an observer's line of sight to an object above.
Plankton's voice is provided by American actor Mr. Lawrence. The voice Lawrence uses for Plankton originated as an imitation of one of his deep-voiced friends from high school. On television, he first used the voice for incidental characters on Rocko's Modern Life.
Sterling Price Holloway Jr. was an American character actor and voice actor who appeared in over 100 films and 40 television shows. He was also a voice actor for The Walt Disney Company, well known for his distinctive tenor voice, and served as the original voice of the title character in Walt Disney's Winnie the Pooh.