can you please help, my answers are incorrect:

Question 19 1 points Saved Which one of the following will occur if the Government of Ontario imposes a $3 recycling fee on the buyer whenever a new tire is sold? It will move: the demand curve down by $3. the demand curve up by $3. the supply curve down by $3. the supply curve up by $3.Question 29 1 points The price of a new car is $25,000. Consumers will continue to buy additional cars until the consumer surplus from last car purchased is: $25,000 O Zero Maximized O MinimizedQuestion 18 1 points Saved Which one of the following it the total economic well-being to society? Consumer surplus minus the producer surplus. O Ratio of consumer surplus to producer surplus. Total gains to consumers, producers and the government. Consumer surplus plus producer surplus.Question 21 1 points Save Answer What is the production possibilities frontier? a map that shows the frontier beyond which agriculture is unprofitable. a map that shows areas of the world in which capitalist production is now possible. O a graph that shows the various combinations of resources that can be used to produce a given level of output. a graph that shows the various combinations of output the economy can possibly produce given the available resources and technology.Question 25 1 points Saved Which one of the following is MOST likely to produce an externality? A student reads a novel for pleasure. O A student sits at home and watches television. O A student has a party in her student residence room. A student eats a burger in the university cafeteria