Which most likely is a causal relationship?

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

Nucleic acid certain protein cell membranes certain carbohydrates

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.