Music that is the primary subject in a program is called?

Atype of construction where tha main load bearing element are hung for suspension cables that are then suspended from vertical supports anchored into the ground or a riverbed

What is the term for a re-current musical section between various contrasting sections

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?