Why 180 line is shown twice on a flat map?

28 north latitude 65 east longitude? What is sulphur concrete? Why does evaporation happen? What problems could occur in scientists did not communicate the results of their investigations? Which planet reflects the majority of sunlight back into space? When did Liquid Liquid end? What are natural fabrics? How does the nucleus in a pollen grain get from the stigma to the ovary of a flower? Round off the measurement 0.003 095 5 m to three significant figures? What are some of the names of the telephone companies that boast that they have the cheapest cell phone plans? What happen to the subducted material in a mantle? Is tarnished silver an endothermic reaction? What is saucer shaped depression at mouth of volcano called? Which is the richest religious institution in the world? What is a kinematics equation that uses acceleration final velocity distance and time but not initial velocity? Why are muscle cells not branched? What do you called the longest bone in the body? Where is the higher concentration of glucose? Is a metal spring a conductor or insulator? What does nonrenewable resource mean in science?