Respuesta :
The graph in question shows that world grain production has generally increased between 1950 and 2010.
How has world grain production changed overtime?
World grain production has been increasing in general from 1950 to 2010 even though this hasn't happened every year.
What this means is that there were years where grain production reduced but then in other years, the increase had an upward trajectory.
Find out more on grain production at https://brainly.com/question/16993778.