Absolute Dating. The nuclear decay of radioactive isotopes is a process that behaves in a clock-like fashion and is thus a useful took for determining the absolute age of rocks. Radioactive decay is the process by which a "parent" isotope changes into a "Daughter" isotope.
You would weigh less on Mars than on Earth because there's less gravity on Mars
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 !:)
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