Select the correct answer from each drop-down menu. Which water conservation method is Jack using? Jack has built small earthen
dams in the furrows between the ridges on which he plants crops. Jack is using the (blank) method of water conservation. This method conserves water by holding precipitation water between the (blank) , allowing the water to infiltrate the soil and eliminate runoff.
It's A. Primary succession :) because Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in older for economics to actually exist. :)))))))