Litter taxes do not provide a disincentive to litter. Since they are passed on to consumers in the price of goods, citizens don't know they are paying or why. Most litter taxes are collected three times: once from the manufacturer, again from the wholesaler, and once from the retailer.
User: Which factors are common to both gradualism and punctuated equilibrium? A. Migration, genetic drift, speciation, and natural selection B. Allele change and microevolution C. Slow adaptation, stasis, and expansion Weegy: A.) GradualismExpert answered|patmarone|Points 4979|.
Natural selection, genetic drift, and gene flow are the mechanisms that cause changes in allele frequencies over time.n this scenario, the deleterious allele will remain at an intermediate equilibrium frequency that reflects the balance between gene flow and natural selection. The common conception of evolution focuses on change due to natural selection.