Answer:
.When an object vibrates, it causes movement in surrounding air molecules. These molecules bump into the molecules close to them, causing them to vibrate as well. This makes them bump into more nearby air molecules.
D. Even though it looked like rain, Carmen didn't take her umbrella to work.
Answer:
The three design problems with the electronic presentation are:
1) The slide representation: The background and the text of the slides in the presentation shall be in such a manner that it can be easily be visible for every reader. If a poor background and text colour and font is chosen then it will be not attract the readers.
2) Too many topics in a slide: In an electronic presentation, too many topics should not be discussed in a single slide. Try to explain a single topic in a slide or even use some more slides if the topic is large. But using a single slide for discussing many topics is not up to the mark.
3) No pictures, graphical representation: A presentation will look absolute dull if there are no pictures or graphical representations. Try to explain your topic with the help of diagrams. Use the text for speaking or explaining and use the diagrams to put on the slides.
Answer: Editing
Explanation:
Pre-writing techniques are the techniques that can be used by someone before such person starts writing so that one can express himself or herself better and also have logical steps and ideas when writing.
Pre-writing techniques include brainstorming, freewriting, outlining, clustering etc. Freewriting is when one writes as the ideas comes into ones mind and the person doesn't mind the grammatical errors or punctuations.
It should be noted that editing is not a pre writing technique.