Hello pls help its my last question! Ill give brainiest Variation in DNA is the direct result of which of the following? *

1.Asexual Reproduction
2.Crossing Over
3.Interphase
4.Somatic Cells

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Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.