Slide sorter allows you to look at several slides at one time, which is why it is the best view to use to evaluate a presentation for content, organization, and overall appearance.
a. true
b. false

That statement is true

Using slide sorter far better than going through one slides at the time which will make your audience become distracted which could make your presentation become ineffective. Slide sorter will make your presentation became more organized and pleasing to the eyes

answer: when the substance contain the two parts (polar and non-polar) like soap.

explanation:

soap is produced from the basic hydrolysis of ester "saponification", it is considered as a salt of hydrocarbons. the soap molecule contains the two parts: a polar group   (-coo-na+) and a non-polar group (r-hydrocarbon part). the polar group is called the head and the tail is the non-polar group. the polar group is hydrophilic in nature (water loving) and the non-polar group is hydrophobic in nature (water repelling).the polar/non-polar nature of a substance is useful that it can dissolve the non-polar substances by the polar part and also can dissolve the polar substances by the non-polar part. it commonly used in detergents and soaps.

Ithink it's a) the user may use the song without the permission of the creator but only in certain circumstances