The answer to this would be A, because they began to spread westward once they decided to head away from the Arctic.
Radiometric dating is dating a rock or mineral by measuring the proportions of an original radioactive material and its decay products. We need to know the rate at which radioactive decay occurs and <span>how much radioactive decay has occurred. Hope this answers the question. Have a nice day.</span>
The Thames, my dear child.
*** River Thames***
not ''Thames River''
