How and why do you think musical instruments are classified into different families?

How do these cultures use the element of shape in very similar ways

The major axis of earths orbit is 299,200,000 km, and the distance between the foci is 4,999,632km calculate the eccentricity of earths orbit. how does this value compare to the value noted in. the digging dipper?

Do you think that the future of metalcraft is in danger due to the ability of computers to do most of the work? explain your reasons why or why not. just need like a prompt.