The slide. There must be at least one in a presentation.
Slide
First you have to have a slide. After that, it depends on what your presentation needs.
Handouts,Speaker's notes, outlines
the basic components of a slide is text box,data, clipart,text.
The basic unit of starch is glucose.
The ecosystem is the basic unit of biosphere.
The gene is the basic unit of heredity.
It's a basic unit of length.
what is the basic unit of work
The gram is the basic unit for mass
A "cell" is the basic unit of data
metre
No, the basic unit for a covalent bond is a molecule and for ionic it is formula units.