4. New legislation is passed requiring a riparian zone by the family's waterway. This will
reduce the size of their field by 15%. How much money will the family lose per year by
having this riparian zone on their farm? Add text here
How much money will the family lose per year by Gavin this riparian zone

b. heterotroph

explanation:

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.