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Nuetrik [128]
2 years ago
10

Experiments or observational studies in which only one variable is manipulated are described as.

Social Studies
1 answer:
kramer2 years ago
8 0

Experiments or observational studies in which only one variable is manipulated are described as controlled

This is further explained below.

<h3>What are controlled Experiments?</h3>

Generally, An experiment or observation that is aimed to minimize the influence of factors other than the independent variable is known in the scientific community as a "scientific control."

This makes the data more reliable, and it is often accomplished by comparing control measures to the other measurements.

In conclusion, Experiments or observational studies that are considered controlled are those in which the manipulation of only one variable takes place.

Read more about Experiments

brainly.com/question/28285324

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4 0
3 years ago
4 types off risky behaviour in teenagers ​
Gelneren [198K]

Most teenage deaths and illnesses are brought on by risky behaviors, which may be divided into four categories:

1. Use of cigarettes

2. Alcohol

3. Intoxicating substances.

4. Poor nutritional choices.

What are examples of high risk behaviors?

High-risk behaviors are defined as acts that increase the risk of disease or injury, which can subsequently lead to disability, death, or social problems. The most common high-risk behaviors include violence, alcoholism, tobacco use disorder, risky sexual behaviors, and eating disorders

Why do teenagers take risks?

Risk-taking increases among childhood and adolescence as a result of modifications around the time of puberty in the mind's socio-emotional system main to improved reward-searching for, particularly in the presence of friends, fueled mainly by a dramatic remodeling of the brain's dopaminergic system.

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8 0
2 years ago
If you are approaching any type of authorized emergency vehicle parked on a two-lane roadway with their lights flashing, you mus
Taya2010 [7]

The answer is 20 miles per hour. <em>If you are approaching any type of authorized emergency vehicle parked on a two-lane roadway with their lights flashing, you must slow to a speed is 20 mph less than the posted speed limit. </em>The reason is so that the normal flow of traffic does hinder the emergency responders from doing their jobs which often times means the saving of lives. This law reduces the speed of the normal flow of traffic for this purpose.  

3 0
3 years ago
Read 2 more answers
Which qualifications for service in the Senate demonstrate the Senates increased political power
Alenkasestr [34]

The citizens of the U.S.A. with not less than 30 years of age can contest election to the senate. . The term of office for US Senators is 6 years; there are no term limits. A Senator may serve as long as the voters of his (or her) state continue electing him, provided he is not removed from office for misconduct. The US Senate is composed of 100 senators. There are 2 from each of the 50 states, regardless of population. They have to have been a U.S. Citizen for the past nine years. They must be a resident of the state which they want to represent, at the time of elections. 

3 0
3 years ago
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Identify and explain significant politicians within the Progressive reform movement and analyze the extent to which each success
Lapatulllka [165]

Answer:

Jane Addams and Theodore Roosevelt

Explanation:

The Progressive Era in the history of the United States of America spanned between 1890s to the 1920s and there were aggressive political and social reforms which helped the nation grow better in the expected direction.

Jane Addams, born in September 6, 1860 was one of the notable Americans, who were the reformers at that time. She helped the nation by placing emphasis on certain issues affecting mothers ranging from the needs of children to public health of the local inhabitants.  

Theodore Roosevelt, born in October 1858 was one of the reformers who dominated the political landscape at that time. He was the 26th president of the United States and he worked towards the realization of fairness in the dealings of citizens, the regulation of rail roads and good drugs and foods.

8 0
3 years ago
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