After selecting the Slide Master tab (within the View tab), which actions can a user take to configure a slide master? Match each Slide Master tab group to an action it allows.
Select and customize the colors, fonts, and
Master Layout
effects for the master slide.
Add a placeholder, such
new slide master
a logo, to the
Edit Theme
Size
Change the dimensions of the slide master
Create a new slide master.
Background
Edit Master
Change the background of a selected theme
from one color to another.

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.

Just trying to get some points : p sorry bro