Answer in one word- a.The most fertile layer of soil- b.Essential thing plants get from soil along with water- c.Dark colour substance that add fertility to soil- d.Uppermost layer of earth-

Answer in one word- a.The most fertile layer of soil- b.Essential th

1.	Answer in one word- a.The most fertile layer of soil- b.Essential thing plants get from soil along with water- c.Dark colour substance that add fertility to soil- d.Uppermost layer of earth-
Answer» a . TOPSOILB. nitrogen, phosphorusc. Humasd. topsoilExplanation:PLEASE MARK me brainliest