1) The fertilizer that is "chemically synthesized" a) synthetic b) organic fertilizer c) biofertilizer 2) Benefits: Build component of chlorophyll and cell membrane a) P b) N c) K d) Cl 3) Benefits: control osmosis and stomata a) N b) P c) K d) S 4) Benefits: control the growth of every part of plants a) N b) K c) Cl d) P 5) Effects of lacking: leaf and root slowly grow a) Cl b) Mg c) S d) N 6) Effects of lacking: leaf is yellow but vein and midrib are still green a) S b) Mg c) Cl d) K 7) Effects of lacking: yellow and too small leaf a) K b) P c) S d) N 8) 1 + 1 a) 2 b) 3 c) 4 d) 5 9) 2 x 2 a) 4 b) 2 c) 1 d) 0

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