Question

How long had seeds been buried
in the ground before they sprouted?​

Answer 1

Answer:

Old seeds - really old seeds - may grow into answers for farmers, gardeners and others, thanks to the world's longest continuous experiment on seed germination. Researchers at Michigan State University are growing and examining seedlings that have sprouted from seeds buried 120 years ago on campus.

hope it help

Answer 2

Explanation:

Radiocarbon dating has confirmed an age of 31,800 ±300 years for the seeds. In 2007, more than 600,000 frozen mature and immature seeds were found buried in 70 squirrel hibernation burrows 38 metres (125 ft) below the permafrost near the banks of the Kolyma River.