Answer:
B is correct. Production of PEP, glucose, and fructose 6-phosphate by gluconeogenesis-specific enzymes that bypass irreversible steps of glycolysis push the equilibrium of reversible enzymes that function both in glycolysis and gluconeogenesis in the direction of glucose production.
The dependent variable is how high the ice cube floats (measured in units).
The Galapagos Islands would be found in the Pacific Ocean. From the nearest point in the United States, they are about 2,636 miles away.