I need help finding three causes and effects for how wolfs change rivers please and thank you! I'm attaching the video. https://youtu. be/oSBL7Gk_9QU

I hope this helps you

1190 is your answer! the way you get it is 1400 - 15% =1190 : )

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.