Answer:The wall of the aorta is thicker than that of the inferior venacava; this is because the aorta is the artery that carries blood from the heart from the left ventricle to the whole body (except the lungs), while the superior and inferior venacava are the veins that carry blood from the body to the right atrium. hope this helps !:)
Explanation:
Answer:
The Quantum Model of the Atom 1927
Explanation:
It is the most accurate model of the atom but I don't know about the easiest to visualise. Soz :(
I would say D narrow temperature. Most other planets are too hot or cold to sustain life.
An oxbow lake. An oxbow lake forms when the meander of a river is cut off from the main channel
I believe the answer is adaptation
