From the choices, the elements that would be of priority are hydrogen, oxygen, and carbon. These elements may then react to form the necessities of a human life and other organisms which include water, carbon dioxide, and glucose.
Five awesome vessels enter and leave the heart: the unrivaled and second rate vena cava, the aspiratory corridor, the pneumonic vein, and the aorta. The prevalent vena cava and mediocre vena cava are veins that arrival deoxygenated blood from dissemination in the body and purge it into the correct chamber.
Answer:
The answer is 1500
Explanation:
it is simply multiplication
30*10*5=1500