Classification systems are essential to science; they act as the scaffolding that enables scientists to stand up close and get to know plants
The correct option is A.( Lens )
The eye piece is the part of the telescope that one looks through and is the part that makes the focused light visible to the eye. The eye piece is made up of magnifying lenses.
They appear to be green because of the chloroplast in the cells.
Earth’s thin, rocky outer layer is its crust. A small example is like a crust on a piece of bread. :)
C is your answer