What did the Clean Air Act prohibit to help protect the earth's protective ozone layer?

$($a$)$ The use of $R-22$ refrigerant to service an existing air conditioner

$($b$)$ The use of R$-22$ refrigerant in newly manufactured air conditioners

$($c$)$ The production of $R-22$ refrigerant for any use

$($d$)$ The sale of R$-22$ refrigerant in the United States

During an open house, licensee Jenny obtained contact information on the open house register from several potential consumers who showed interest in the

home. Jenny wants to follow up to see if they are still in the market for a new home. In accordance with the $"$Do Not Call" laws, even if they are on the DNC registry,

Jenny may call them:

$($a$)$ only for one month.

$($b$)$ for up to three months.

$($c$)$ for up to $18$ months.

$($d$)$ only if the customer contacts the licensee first.

A landlord requests a credit check when considering a tenant application. Which credit score would indicate the highest risk that the applicant would become

delinquent on rent payments?

$($a$)800$ yand higher

$($b$)670$ to $799$

$($c$)580$ to $669$

$($d$)579$ or lower

Which is NOT a protected status under the Fair Housing Act?

$($a$)$ Race

$($b$)$ Familial status