it bends and its shiny?
For making something that floats.
singing would be useful in the future to entertain people
One of the most useful inventions made by early Stone Age people was the development of tools made from stone, such as hand axes and arrowheads. These tools revolutionized hunting, cooking, and crafting activities, improving overall survival and efficiency. They also laid the foundation for future advancements in technology and tool-making.
Yes, knowledge of density would be useful in choosing a material for a 10-kilogram barbell. Different materials have different densities, which affect the size and shape of the barbell. For example, a denser material would result in a smaller barbell, and vice versa.
People make houses from whatever is the most common material around them. In some places, this is wood, while in others, it would be stone or even dried mud.
In 1880, the cost of a grinding stone would have varied depending on the size, material, and quality. However, generally speaking, a basic grinding stone would have cost around a few dollars at that time.
Probably because stone (quarried or gathered from the beach) was the only solid structural source available. On such windswept islands, trees could only grow in sheltered clefts, and would be very stunted. Therefore, stones being plentiful, would be the main building material.
The Stone Age people did not live anywhere at first. The were a nomadic people. When they found a cave they would use it for shelter.
Tawnee Stone is an adult film star and the site contains xrated material that would only be suitable for those of 18 years or older. It is not suggested material for a minor or person that may be easily offended.
You kiss it and people say it gives you luck.
I would expect that stone age people spent most daylight hours hunting for food, and had no time for leisure activities.
This can be quite debatable. Some people would say it was useful as it ended WW2 in the Pacific after Germany surrendered but some would say it wasn't useful as the use of the atomic bombs was 'out of order' and 'over the top'. The usefulness depends on how you look at it and where would it be useful.