Arterials are: a. avenues connecting local roads together to facilitate travel between communities b. narrow, low-speed roads used to travel to and from homes c. wide thoroughfares that allow travel between cities and can only be accessed through controlled-access ramps

The primary function of arterial roads are to deliver the traffic from the congested roads to the freeways and expressways. They are mostly connecting roads form the area of high traffic to areas of low traffics. Though most cities have different plannings for arterial roads, most roads are in the forms of concentric rings and are also referred to as ring roads

Hence the option A is the right one

b. read the phase at the intersection of any given temperature and pressure.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.