The first trimester begins on the first day of the last period and lasts until the end of week 12. During this trimester, the baby grows faster than at any other time. By six weeks, a heartbeat can usually be heard and by the end of week 12 the baby's bones, muscles and all the organs of the body have formed. The following is NOT included in the first trimester: Eyes and brain complete formation. Correct answer: D
Answer:
The correct answer would be - floor opening.
Explanation:
A floor opening is an opening or entry or hole that is at least 12 inches or more than that in the pavement, yard, platform, floor or anything in which someone or something can fall in it.
It is made for the entry or exit of person to fix anything under or above this pavement or platform. The best example of these floor openings is stair or ladder pit, manway hole, or hatchway.
Thus, the correct answer is opening - floor opening.
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.
Well, burning coal, fuel, gas or even garbage; creates gaseous effluents, <span>usually subject to certain regulations that establish the limits of each pollutant.
</span><span>Solar, wind power and other technologies of energy generation, do not generate gaseous effluents.
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Conserving coal, fuel, gas and garbage(that's why we need to also recycle), conserving these certain things, will help reduce air pollution by a LONG run.
Also, changing to solar, wind power, and using other technologies will help also help reduce air pollution.
Hope I helped :)
