![subject](/tpl/images/cats/himiya.png)
To test the quality of water sources in her area, shameka collects five samples from each water source and tests the quality of each sample.
which important step of scientific design is shameka conducting?
repetition
replication
verification of results
using controlled variables
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30
Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 06:30
Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 07:30
In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:50
How many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 295 k and the pressure is 0.850 atm?
Answers: 2
You know the right answer?
To test the quality of water sources in her area, shameka collects five samples from each water sour...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 24.08.2019 01:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.08.2019 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.08.2019 01:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.08.2019 01:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.08.2019 01:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/es.png)
Spanish, 24.08.2019 01:30
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.08.2019 01:30
![question](/tpl/images/cats/istoriya.png)
History, 24.08.2019 01:30
![question](/tpl/images/cats/istoriya.png)
History, 24.08.2019 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.08.2019 01:30
![question](/tpl/images/cats/geografiya.png)
Geography, 24.08.2019 01:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.08.2019 01:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 24.08.2019 01:30