There are over 400 species of sharks. The most common are Spiny Dogfish Shark, the Blue Shark, and the Sandbar Shark.
Answer:
The deoxygenated blood enters the heart from the superior and inferior vena cava and pumped into the right atria then pushed down into the right ventricle from there the blood is pumped out through the pulmonary artery (the only place in the body where an artery has deoxygenated blood) to the lungs. The blood gets oxygenated and returns to the heart via the pulmonary vein (the only place in the body where a vein carries oxygenated blood) and pushed into the left atria the pumped into the left ventricle and out to the body via the aorta.
Explanation:
95% occurs in the small intestine.
answer:because carbon is so important to live on earth,the soils play an important role in the global cycle this dead organic matter createss food for microbes, which respire and create carbon dioxide back to the atmosphere.