<span>Forces can be measured using a device called force meter. The unit of force is called the Newton. It is represented by the symbol N. A force of 2N is smaller than 7N. A force usually results from an interaction.</span>
The difference between the two is that a virus can replicate itself by attaching to another file or program and becoming part of that program and it spreads from one computer to another leaving infections whereas a worm ca replicate itself independently. Worms are standalone software and do not require a host program or human being help to propagate, it enters a computer through a vulnerability in the system and takes advantage of file-transport or information travel.
Platyhelminthes have the following important characteristics: They are triploblastic, acoelomate, and bilaterally symmetrical. They may be free-living or parasites. The body has a soft covering with or without cilia.
The answer would be terms. The terms are being separated by addition as well as the subtraction signs. They are parts of the algebraic expression that contains numbers as well as operations and one or more symbols.Hope this would help.
