Salt marshes are diverse ecosystems because there are resources from both
Answer: <em>Photosy</em><em>nthesis</em>
Answer:
Pulmonary veins
Explanation:
In the circulatory system, the heart is responsible for for pumping oxygenated blood throughout the body and deoxygenated blood to the heart.
Normally all veins carry deoxygenated blood. However the pulmonary vein is the only vein that carries oxygenated blood.
They carry oxygenated blood from the lungs to the heart.
However the Superior and inferior vena cava are responsible for delivering deoxygenated blood to the heart.
Each one is made of one original strand and one new strand.<span>It bonds together the nucleotides in the new strand</span>
natural gas or coal or nuclear power