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fgiga [73]
3 years ago
5

Write a hypothesis using IF-THEN - BECAUSE of statement. (PLEASE HELP)

Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Water is an essential part of life and its availability is important for all living creatures. On the other side, the world is suffering from a major problem of drinking water. There are several gases, microorganisms and other toxins (chemicals and heavy metals) added into water during rain, flowing water, etc. which is responsible for water pollution. This review article describes various applications of nanomaterial in removing different types of impurities from polluted water. There are various kinds of nanomaterials, which carried huge potential to treat polluted water (containing metal toxin substance, different organic and inorganic impurities) very effectively due to their unique properties like greater surface area, able to work at low concentration, etc. The nanostructured catalytic membranes, nanosorbents and nanophotocatalyst based approaches to remove pollutants from wastewater are eco-friendly and efficient, but they require more energy, more investment in order to purify the wastewater. There are many challenges and issues of wastewater treatment. Some precautions are also required to keep away from ecological and health issues. New modern equipment for wastewater treatment should be flexible, low cost and efficient for the commercialization purpose.

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3 years ago
What is the energy of a TV wave that NBC broadcasts, if it has a wavelength of 32 meters?
serg [7]

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Explanation:

E = hc/λ

h = planck's constant = 6.66 x 10 ^ -34

c = speed of light = 2.98 *10^8 m/s

E = (6.66 x 10 ^ -34 )(2.98 *10^8)/32

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2 years ago
Word bank
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<span>1.    D Domain</span> <span><span>
<span>2.    </span></span>K Kingdom</span> <span><span>
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<span>4.    </span></span>C Class</span> 
<span><span>5.    </span>O Order</span> <span><span>
<span>6.    </span></span>F Family</span> <span><span>
<span>7.    </span></span>G Genus</span> 
<span><span>8.    </span>S Species</span> 

The hierarchy of species is mainly used by taxonomist in order to classify, organize and systematize certain species in both the animal and plant kingdom so to speak –living things. These helps them if found a new discovered specie, they cluster it into the appropriate category into where it fits best. There are certain factors to categorize though. 
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