to be a determined old

Method used to determine the age of fossils upto one million years old.

Choose the most suitable determiner for the given sentence: The old man had ….. heart attack this morning.

You are given a very old sample of wood.How will you determine its age?

| [old, old, old, old, old], [old, old, old], [old, old, old, old] | = 0 then the vectors old + vecb, vecb + vecc and vecc + veca are