The answer is many different types of items
The correct answer for the question that is being presented above is this one: (a) elastic demand. The measure of how demand changes after price adjustments is called elastic demand. T<span>he percentage change in quantity demanded is smaller than that in price. Hence, when the price is raised, the total revenue increases, and vice versa.</span>
All are responding with a few common ways. Volunteer to help, donate to help, etc. Are they working? Mabey. Some organizations are educating people about Environmental issues (e.g. the United Nations).