No, fiber is not a starch. Both are carbohydrates but serve different purposes in the diet. Starch is a complex carbohydrate that the body breaks down into glucose for energy. Fiber, on the other hand, is a type of carbohydrate that the human body can't digest. It is essential for healthy digestion and can help prevent constipation, maintain a healthy weight, and lower the risk of diabetes and heart disease. While both are found in various plant-based foods, they play distinct roles in nutrition and health.

The titanium dioxide TiO2 heat capacity varies depending on the type of material crystalline and amorphous and the temperature.

Polypropylene (PP) is a versatile polymer used widely in packaging, textiles, automotive components, and various other applications. The price of PP fluctuates based on factors such as crude oil prices, demand in the manufacturing sector, and global supply chain dynamics. As of the current market scenario, prices can vary significantly by region and over time. For an accurate price, one should consult current market indexes or contact suppliers directly. Additionally, geopolitical events, environmental policies, and technological advancements in recycling and production can also influence PP prices. Businesses in need of PP should monitor these factors and possibly hedge against price volatility where practical.