Which geologic action may produce a chain of volcanic islands? a. a hot spot b. converging plates c. a diverging plate boundary d. a transform boundary

answer; i believe is(b)converging

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.