If Global Warming Shuts Down The Thermohline Circulation In The North Atlantic Ocean, The Result Could Be Catastrophic Climate Change. The Environmental Effects Depend Upon Whether The Shutdown Is Reversible Or Irreversible.
Answer:
A straight angle measures 180°. ... An angle can be measured using a protractor, and the angle of measure 90 degrees is called a right angle. In a right angle, the two arms are perpendicular to each other. When the right angle is divided into two equal parts each angle measures 45°.
A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?