How would you take a sublingual medicine? a) by putting it under your tongue b) by rubbing it on your skin

Based on its structure, which word  most likely  means "someone who takes advantage of circumstances”?

Why is it important to include a descriptive subject heading? it in sorting the topics. it the recipient see its importance. e-mail programs won’t allow e-mail to be sent without it. it keeps junk e-mail separate from important e-mail.

Suppose you need to verify how to correctly use commas. you open your english textbook and scan the chapter titles. in which one would you most likely find the information you need? ; ; ; ; that's the ? im having truble with