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Amanda [17]
3 years ago
15

In an experiment there are two groups. What group is not changed in any way

Biology
1 answer:
morpeh [17]3 years ago
4 0
Controlled group does not change
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Hey guys!! Can you y'all help!!
garik1379 [7]

Answer:

                 Acid                                     base

Red litmus - color doesn't change   Color change to blue  

Blue litmus- color change to red.    Color

                                              doesn't change

Explanation:

Hope this helps

6 0
3 years ago
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What is the hardness of copper and aluminum
Charra [1.4K]
Aluminum is 15 and copper is 35
7 0
3 years ago
Based on binomial classification system, the mosquito, anopheles punctulatus, is most closely related in structure to
Makovka662 [10]
B anopheles quadimaculatas

4 0
4 years ago
During a heart attack, some of the cells in the thick layer of muscle in the heart walls die. This layer of muscle is called the
Taya2010 [7]
Myocardium

<span>The heart has four chambers, four valves. It is composed of cardiac muscles which all in all pumps blood throughout the human body through the blood vessels. When something gets injured around the heart, well it will automatically, in high possibility stop functioning. Take not of the valves and the most important is the sinoatrial node which is the pace maker of the heart. It is what triggers the heart to pump itself and the valves then function and the blood travels and then gets cleansed out of carbon dioxide in the alveoli.<span> </span></span>

7 0
3 years ago
Which of the following statements presents a reasonable conclusion?
earnstyle [38]
A resonable conclusion is one that is well defined and explained and contain all the neccessary elements
so
 The statement given below present a reasonable conclusion

<span>Our football team needs sufficient equipment to practice and play safely
</span>because it represent all the basic elements 
so  i conclude option A is correctly
hope it helps
8 0
3 years ago
Read 2 more answers
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