I believe that paleomagnetism was a key to determining that the seafloors were spreading since the paleomagnetism changes at certain geological intervals so that stripes of new rock with the youngest paleomagnetism would be right at the mid-ocean trenches and successively would be older the further they are from the trench, ie on either side of it, symmetrically.
<span>The answer is B. Human homeostasis alludes to the body's capacity to physiologically control its inward condition to guarantee its soundness in light of variances in the outside condition and the climate. The support of sound circulatory strain is a case of homeostasis.</span>
This seems easy.. You got this.
The answer is called monoclonal. Hope this helps and please don't forget to thank me.