Answer
Clarify how analyzed subject will be useful in your future.
A nebula is an enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars. The roots of the word come from Latin nebula, which means a “mist, vapor, fog, smoke, exhalation.” Nebulae are made up of dust, basic elements such as hydrogen and other ionized gases.
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Keep your current environment well-ventilated.
Make sure to wear a mask if needed.
Open windows and/or doors.
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