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Ulleksa [173]
3 years ago
5

why is a sample that is treated exactly like the other groups except that the variable is not applied to it is a control group

Biology
1 answer:
VLD [36.1K]3 years ago
6 0
A control group is different because it is not what is being tested. for example the control group would use sugar pills while the other group uses the pills being tested
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when you rub your hand together,you produce a little heat.describe the flow of energy that causes the heat to be produced.use te
alekssr [168]
The flow of energy starts in in you arms. You put your hands together, and use your arms to move your hands back and forth, this is kinetic energy. Your hands rubbing together causes the molecules to bump into each other, this is friction. As the molecules bump into each other they begin to move faster, and the fast movements of the molecules is what creates heat.
3 0
3 years ago
Which of the following is not a cause of water pollution?
Masja [62]

Answer:

what are your choices becasuse

Explanation:

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The table provided shows the predator-and-prey relationships in a wetland habitat.
cupoosta [38]

Answer:

mosquitoes

Explanation:

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3 years ago
Scientist have discovered fossils on an island what type of rock for the most likely examining
Lena [83]
It is either <span>Igneous rock or </span><span>Sedimentary rock. But if I were to choose one, I would choose Igneous.</span>
8 0
4 years ago
How are the plants in a specific environment be impacted if there was a sudden drop in amount of bacteria present in that area?
Rainbow [258]
I think this information may be help you
The plants in a specific environment be impacted if there was a sudden drop in the amount of bacteria present in that area, there are positive and negative consequences associated with this situation.

Positive:

The decrease in bacterial colonization will prevent the plant from the diseases caused by the bacteria and this will promote plant growth. Like, black rot in Brassica caused by Xanthomonas campestris, bacterial canker in tomato, capsicum and chilli caused by Clavibacter michiganesis.

Negative:

Plants remains in symbiotic relationship with bacteria in order to obtain impermeable inorganic minerals from the soil. In the absence of bacteria, the plants will not receive these nutrients, and their growth may be hampered. Example bacteria fixes atmospheric nitrogen which is taken up by the root nodules of leguminous plants. In return these bacteria gets the food like carbohydrates produce by the plants

3 0
3 years ago
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