A negative externality exists when social costs exceed

private benefits
social benefits
social costs
private costs.

The net effect of a negative externality
decreases
both producer and consumer surpluses.
only producer surplus.
the deadweight loss.
only consumer surplus.

The answer is

A negative externality exists when social costs exceed private costs.

The net effect of a negative externality decreases

both producer and consumer surpluses.

Explanation:

Negative externalities occur when production and/or consumption impose external costs on third parties outside of the market for which no appropriate compensation is paid. This causes social costs to exceed private costs.

1: b     the use of non-standard grammar

2: c     strong and willful.

its correct i took the test have a nice day: )

one of the disadvantages of getting a government sponsored mortgage is they put a limit on the purchase price of the house. because the government is in charge of the mortage loan and terms, they are able to control how much money they are allowing someone to take out for the loan. not only are they incontrol, it's a lengthy process for a government sponsored mortgage.