What is true about a circular orbit?
it is a special kind of elliptical orbit.
it is the same as an elliptical orbit.
it has no kinetic energy.
it has no potential energy.

What did the first language sound like

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

What is the process of pulling apart an n2 molecule nevermind i got it