Use of Colon#!#Other End Marks

Colons refers to

Statement-1 Like poles attract each other Statement-2 : If a magnet is suspended freely, then the end marked wih N points towards geographic north and the end marked with S points towards geographic south

The smallest part of colon and lacking mesentry is

Which are the first organisms to colonize on a bare rock?

A line is of length 10 units and one of its ends is (-2, 3) . If the ordinate of the other end is 9, prove that the abscissa of the other end is 6 or -10

The length of a line segment is of 10 units and the coordinates of one end-point are (2,-3). If the abscissa of the other end is 10, find the ordinate of the other end.

when magnet is suspended freely, then the end marked N, points towards