Quick Answer. Most wool comes from sheep, although some wool is harvested from goats, muskoxen, rabbits and certain camelid species. Wool produces a unique textile with qualities that cannot be found in fur, such as its crimped texture, elasticity and tendency to grow in clusters for easy harvesting. Continue Reading.
1 A decrease in particle size causes an increase in the solid's total surface area.  Raising the reaction temperature by 10 Â°C can double or triple the reaction rate. This is due to an increase in the number of particles that have the minimum energy required. The reaction rate decreases with a decrease in temperature.
Only the following answers (1,3,4) are correct: 1 Enzymes lower the activation energy of chemical reactions. An enzyme is a catalyst. It's basically a molecule which brings the reactants closer together.