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egoroff_w [7]
3 years ago
5

Name two chemicals pollutants that are responsible for acid precipitation, what are it’s main sources?

Biology
1 answer:
Dahasolnce [82]3 years ago
3 0
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain
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What is the difference between a control and a variable?
Alla [95]
N an experiment the "control" is the group of people or object this is used to measure the effect of the variable. The "control" is the thing that does not change and is not the thing in question.

In an experiment the "variable" is the thing which is changed and manipulated by the experimenter. It is the effect of something,

Example: You want to test a drug. you get a group of 40 people. 20 people are given the pill, 20 people are not given the pill but a sugar pill. the people who have the pill is the "variable" and the people who dont have the pill is the "control".
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3 years ago
In sociological studies, which of the following form the basis of empirical research? A. Opinions B. Guess work C. Data D. All o
castortr0y [4]
I believe it D because they have to have data , they also guess and really they also have opinions
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3 years ago
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When you take antibiotics to treat bacterial infections, you often develop diarrhea and secondary infections as a consequence of
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Explanation:

5 0
3 years ago
What additional information would assist you in determining whether polar bears and grizzlies are different species, based on th
ladessa [460]

Answer:

The correct answer is- e. I and II only

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3 years ago
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