Subject United States rst opted to (partially) ban use Economl' Ol: CFC'S in 1978. Question 7 options: Sub-subject Search True False Question 8 (2.5 points} Considerthe market for an ozone depleting substance where the market demand and supply equations, respectively are as follows qd=20-1.5p qs=5+.5p where p is the per unit price It a $2 excise tax is levied on the seller, what is the price paid by the consumer. Question 8 options: $7.5 $8 $9.5 Can't be determined Question 9 (1 point) Saved The most likely explanation agreed on by scientists as the cause of ozone depletion is Question 9 options: chlorofluorocarbons halons choloroform urban smog