Administering the Federal Tax Code
Answer:
the backspace key is used
Its B because a primary document means something with a <span>source or evidence</span> that gives u a lot of information.
The correct answer is option A): "A wedge and a wheel and axle" . A compound machine is a machine composed of two or more simple machines.
A machine called a centrifuge is used in many technologies and branches
of science, it uses rotary motion to separate material held in
suspension from the medium it is suspended in.
