Intersecting lines

a. lines that cross more than once

b. lines that cross only once

c. lines that never cross

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

the one below it is a function