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Greeley [361]
3 years ago
8

The elements on the Periodic Table that we use today are arranged by

Social Studies
1 answer:
ratelena [41]3 years ago
8 0

Answer:

They are arranged by in order by the increasing atomic number.

Explanation:

The horizontal rows are called periods and the vertical columns are called groups.Elements in the same group have similar chemical properties.This is because they have the same number of our electron and the same valency.

Hope this helps!

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What two houses make up congress?
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<span>House of Representatives and the Senate can you give me brainest plz</span>
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A researcher is interested in how heart rate and blood pressure are affected by viewing a violent film sequence as opposed to a
Effectus [21]

Answer:

The answers are:

a. dependent

b. independent

c. test

d. control

Explanation:

In scientific research, investigations are done to study whether certain factors change while changing others, and the following terms are associated with  scientific research:

a. dependent variable: These are factors or outcomes that are being investigated in a research experiment, and they are not under the direct control of the researcher. They are factors that vary as a result of other changes made in the process. In our example, the heart rate and blood pressure are proposed to vary with the type of film watched hence these factors are dependent variables.

b. independent variable: Independent variables are variables that are under the direct manipulation of the researcher, and the predetermined variation of these variables cause certain effects on the dependent variables. In our example, the type of film is the independent variable, because the researcher has complete control over the type of film watched.

c. Test group: These are the group of participants/individuals in research, who will potentially be affected by the change in the dependent variable to cause an effect that deviates from the normal. In our example, the group that views the violent film is the test group, because there is a tendency that they might have altered heart rate and blood pressure as a result of the type of film viewed.

d. control group: The control group is the group of individuals whose effects at the end of the experiments will serve as baseline effects, to serve as a means of measuring the magnitude of variation in the test group. These groups serve to eliminate any other effects that might cause similar changes as the factor being investigated in all test participants.

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The Janissaries were _______.
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d. conscripted through the devshirme to serve the provincial governors.

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  • In the beginning of their era, that army was filled with Christian boys by two-thirds, and one-third by children of poor Muslims.
  • In the last centuries, the existence of the Janissaries was abolished.

Learn more on Ottoman Empire on

brainly.com/question/8047271

brainly.com/question/382168

#learnwithBrainly

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The correct answer is letter A

Explanation: In this quote he is saying his vision about how democracy can be, without violence with respect and equal freedom and rights for all.

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