Answer: Plotter-- B
Explanation:
A Plotter is sophisticated printer that get commands from a computer and interprets them to draw high quality lines or vector graphics on paper rather than dots using one or several automated pens. This makes them useful in the area of CAD , architecture drawings and engineering designs. The types of plotters we have include Drum Plotters, Flat Bed Plotters and Ink Jet Plotters.
Delete it. Also defragmentation may be an option if your computer is running slow.
<span>Professor Michael Faraday</span>
Explanation: Determine the mass of the substance, and its molar mass. Divide the given mass by its molar mass to get moles, then multiply times 6.022×1023molecules1mol