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.
C. Solar energy's whole purpose it to reduce pollution in the air that fossil feuls do not. The answer cannot be A. B. or D. because 1. it is expensive 2. it can only be used during the daytime. It is a SOLAR panel. and 3. like is said earlier it is not free.
