What is rectangle with wiggle lines and arrow pointing down mean?
Possibly rear window defroster.
A food web is a series of lines coming from one animal to another with an arrow at the end. A food chain is a kind of chart with lines coming from one creature to another, again with arrows. the difference is that a food chain can only have one arrow pointing to each animal. if an arrow points to an animal, it means wherever the arrow is coming from, the animal goes to the…
WRONG WAY signs posted at one end absent yellow lines vehicles all pointing in one direction Added: Rectangular sign containing a white arrow on a black background pointing in the direction of the traffic flow, with the words ONE WAY in black type centered within the white arrow. Also: A white arrow painted on the street surface pointing in the direction of the traffic flow.