Afirm that backward vertically integrates a. may be producing its own inputs. b. moves downstream in the production process. c. requires that the production process be relatively simple. d. has to merge with another firm.

Option A; may be producing its own inputs

Explanation:

i believe the answer is: streets and roads

public property refers to the property that can be used by all legal citizens in a certain country. the public property was created and maintain using the government budget that allocated specifically for it. the budget itself come from the citizen's income tax payment.