14. The sign ( or -) of the correlation coefficient tells us the , where the number (0-1) tells us the of the relationship.

What greek scientist created a screw to move water for irrigation?

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less

Which latin american country’s language and culture is greatly influenced by portugal