What is an example of framing in photoshop?

Which of these is a consistent periodic pulse separated into equivalent intervals of time?

What is pictured below? a. great grotto, boboli gardens b. st. peter’s basilica c. the tempietto d. bramante grotto

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?