Because were humans. Yeah ok now for the surious answers. It is so, "You can indicate a change in position by using a plus (+) or minus (-) the reference point
signs of the zodiac. 12 signs of the zodiac 12 signs of the zodiac
no algebraic expressions do not have equal signs but equations do.
Aquarius and Libra as they are also air signs. leo, aries, and sagitarrius also, though slightly less, since they are fire signs.
Temporarily ignore the signs and multiply or divide as usualIf signs of the two numbers to be multiplied or divided, add + sign to your answer. If signs are different, add - ( minus) to your answer.+ signs are optional-- a number without a sign is assumed to be positive.
Regulate
regulate
Turns and speed limit.
Guide signs are large Rectangular green signs with white lettering that indicate distance and route direction. "A"
Regulation or regulatory signs are the signs along the highway that are black and white in color. Think of speed limit signs. These signs indicate a law or regulation, whereas yellow signs are cautionary signs. They indicate a possible hazard or danger. Brown signs or green signs are generally information, blue indicate travel services or accomodations.
Guide signs are large Rectangular green signs with white lettering that indicate distance and route direction. "A"
It depends on which state you are in, but they are usually green with white lettering.
To alert drivers of impending danger such a low clearance and blocked roas signsTo regulate drivers within safety limits such as the speedTo help direct drivers as is the case with Exit signs on major highwaysTo caution drivers, as is the case around cross walks and animal crossings and school crossingsTo help regulate traffic flow, as is with stop signs, yield signs, traffic lightsTo help drivers find out where they are, as such is the case with road signs in residential areasTo keep road work crew safe from drivers with those orange signs.
Stop Sign
Signs that coral is dying include bleaching (loss of color), tissue necrosis (white or black patches), reduced growth, and increased susceptibility to disease. These signs indicate that the coral is stressed and may not survive unless conditions improve.
To regulate the flow of traffic.
Direct warning signs of a tornado include rotation in the clouds and a persistent lowering of the cloud base. Many people associate hail or green skies with tornadoes. These signs do indicate a severe storm, but not necessarily tornadoes.