A life preserver or flotation device
Answer:
were you going to put the answer choices
Explanation:
Explanation:
Research is crucial when it comes to world of beauty as we gotta keep up with trends somehow in order to know the market and actually make profit from it. If we know a little about the market at some moment, we would not make something innovative that people would like. As cosmetology and beauty go together, it’s important to be in fashion world as well. We have to know our costumers. We have to know what they like.
I'm guessing C bc it is the only one that has something to do with moods.
Answer:
tells drivers that they are going the wrong way up a one-way ramp or that they should not enter
