It could. Take nanoparticles for example. They are beneficial in the following ways: they improve technology and make communication faster, improve our drinking water, food shortages. But at the same time we don't know the risk of having nanoparticles in the air (good or bad in terms of aquatic life, terrestrial). Also, they could be a pollutant to our health and weaken our immune system.
It Could be Boron
it could be a precipitate or a colloid I would think it is a precipitate
Pureness is in the eye of the beholder. But monocrystaline minerals could be considered "pure" as could anything consisting of just one element or one compound.
There are three definitions. A substance that produces hydroxide (OH-) ions in water. A substance that accepts a proton (H+ ion). An electron pair donor.
Yes. Usually when a substance freezes, or becomes a solid, it will decrease in volume, causing an increase in density. Water is an exception, which is less dense when it freezes/becomes solid.
An impure substance can be called a mixture. It could be either heterogeneous mixture or homogeneous mixture.
A pollutant fits that description.
A pollutant is any type of substance in the air that could, in high enough concentration, harm animals, humans, vegetation, and/or materials. It is something that is harmful to our environment.
both , harmful becausethe civilization could be heart from others and beneficial because the civilization can know about other culture
Why heal it??? infect the others, pokerus is beneficial!
Nitrogen is not a pollutant in any jurisdiction. Nitrogen compounds (NOx, nitrites, nitrates, etc. ) may be pollutants.
An apartment finder could be beneficial in helping one locate an apartment. It could also help to compare amenities and prices of different apartments.
no it could not
You could stir the substance
Argon itself is not considered a pollutant as it is a naturally occurring non-reactive gas that makes up about 1% of the Earth's atmosphere. However, if it is released in excessive amounts due to human activities, it could displace oxygen and pose a safety hazard in enclosed spaces.
It might if the cause is a pollutant in the environment. If so, it could affect humans adversely as well.
The possessive form for the noun substance is substance's.Example: The substance's origin could not be determined.