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diamong [38]
3 years ago
13

1. Water is easily contaminated by both biological and chemical contaminants. Define and give 3 examples of each

Chemistry
1 answer:
tamaranim1 [39]3 years ago
7 0
Are there options like A,B,C,D?

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Ciencia que se encarga de las mediciones​
ziro4ka [17]

Answer:

La metrología es la ciencia que se ocupa de las mediciones, unidades de medida y de los equipos utilizados para efectuarlas, así como de su verificación y calibración periódica.

4 0
3 years ago
What is the total number of joules released when a 5.00-gram sample of water changes from liquid to solid at 0°C?
Marrrta [24]
Energy released from changing the phase of a substance from the liquid phase to solid phase can be calculated by using the specific latent heat of fusion. The heat of fusion of water at 0 degrees Celsius is 334 J/g. Calculation are as follows:
<span>
Energy = 5 grams x 334 J/g
</span><span>Energy = 1670 J</span>
4 0
3 years ago
What are the similarities between independent variable and a dependent variable?
wariber [46]
The relationship between independent and dependent variables is constant. The independent variables are not affected and do not change while dependent variables rely on something or a particular change.

Hope this helps and have a good day/night!
5 0
4 years ago
Which of the following is not part of our solar system?
andreyandreev [35.5K]

Answer:

none of the above

Explanation:

4 0
3 years ago
Read 2 more answers
An atom was observed with +3 charge, n = 38, and e = 28. What is the mass number of the atom?
Finger [1]

Answer: 66

Explanation: To find the mass number you would have to add the number of protons and the number of neutrons.

3 0
2 years ago
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