Do I need to spell it out for you?
U R
How do you spell "not my friend"?

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

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?

Why is understanding the influence of theory important to being a competent communicator