Which of the landforms on your map represent plains

I don't really understand the said question, but if it is about a map, the region or the label in the map that represent the plan is inside the line of the map and doesn't have a legend of a mountain. I hope you are satisfied with my answer and feel free to ask for more if you have question and suggestions 

plains are represented by low greenish flat lands

Plain is an extensive area  of low flat lands covered by vegetation such as trees, shrubs and grasses.They are formed by deposition of sediments They are also formed by flow of lava volcanoes on land On the map representation is done by greenish flat lands and greenish color denotes the vegetation

Explanation:

Plain is an extensive area  of low flat lands covered by vegetation such as trees, shrubs and grasses.They are formed by deposition of sediments They are also formed by flow of lava volcanoes on land On the map representation is done by greenish flat lands and greenish color denotes the vegetation

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.