Final answer:
The question is related to calculating the cost difference between two vegetables, which is a mathematical task requiring specific prices to be answered. Biologically, both plants synthesize their mass primarily from atmospheric carbon dioxide through photosynthesis, potentially influencing agricultural costs.
Step-by-step explanation:
The question asks about the difference in cost between 300g of potatoes and 300g of carrots, which primarily falls under the subject of Mathematics. Since it deals with comparing costs, a mathematical calculation would be necessary to find the difference. This calculation would involve knowing the price per gram or per unit weight of both the potatoes and the carrots, and then multiplying those prices by 300g to get the total cost of each. Subtracting the total cost of one from the other would give the difference in cost. However, without specific prices for the potatoes and carrots, an exact answer cannot be provided.
It's important to note that, from a biological standpoint, plants like potatoes and carrots convert carbon dioxide from the air into sugars via photosynthesis, contributing to their biomass. A given mass of potatoes, which consists mostly of starch with a chemical formula of (C6 H12 O6), derives its carbon component from the carbon dioxide in the atmosphere. For 34 grams of potato dry weight, this equates to 13.6 grams of carbon extracted from the air. As the cost of potatoes or carrots could feasibly include factors such as the energy input in their growth, understanding the photosynthetic process may provide some insight into the agricultural value chain affecting the pricing of vegetables.