You enroll in something when you are added to a list, or roll.
Enrolling is usually used to mean signing up for some kind of course of education at a school or university.
Eis forEnvironment
The equator is an imaginary line drawn around the earth that is equally distant from the north and south poles, dividing the earth into hemispheres.
The join around the middle of the globe in the picture is the equator.
An eraser is a piece of soft rubber or plastic that is used to rub out mistakes you make with lead pencil.



















