What changes in the ecosystem will take place during secondary succession A. The flowers will deplete the soil of nutrients in the area will become a desert

. ph changes the ability of them he enzyme to dissolve in water.

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.