Why is beryllium important?

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

Animal cells have which of the following characteristics? select all that apply.

Which of the following does not result from no-till practices? a) increased herbicide use b) decreased fuel consumption c) increased plowing time d) increased integrated pest management