2.5 million years
Most stone bridges last for over a couple of centuries.
Not many people live long in the stone age. There were not doctors back in the stone age.
about 700 years
12,000 years
The Stone Age started 3.5 million years ago. It ended when the Bronze age started.
A stone falls freely from rest The total distance covered by it in the last second of its motion equals the distance covered by it in the first three seconds How long does the stone remain in air?
the last part of the Stone age occur
Stone typically lasts for many years in outdoor landscaping projects due to its durability and resistance to weathering.
Jessica stone Amanda stone and Robert stone
Sealing natural stone is advisable, to protect it against stains and deterioration from rain and sun. The best sealers for this purpose are impregnating sealers. They absorb deep into the stone, last a long time and don't change the appearance of the stone.
Limestone is a durable stone that can last for hundreds of years, depending on factors such as environmental conditions and maintenance. In general, well-maintained limestone structures have been known to last for several centuries.
20000