Well I can tell you Germany goes for air pollution,srry the other two idk.
Answer: The correct answer is Missouri & Kentucky
Explanation:
Answer:
Smoke and fog (Smog)
Dirt and water (Mud)
Sand, water and gravel (Cement)
Water and salt (Sea water)
Potassium nitrate, sulfur, and carbon (Gunpowder)
Oxygen and water (Sea foam)
Petroleum, hydrocarbons, and fuel additives (Gasoline)
In order to study the attitudes of the people who live in Tennessee.
In this case what is gonna happened is a research about the people that lives in Tennessee so is important to have some records about how people lives in there. All the registration is good in order to help the research.
In the hierarchical model, each parent can have many children, but each child has only one parent.
<h3>What is the hierarchical model?</h3>
This is the model that has to do with parenting. In this particular method, it allows for the repeating of information between parents and the relationships that they have in place with their children. Here the child would only be able to have just one parent but the parents can have the number of children they want.
Hence we can say that In the hierarchical model, each parent can have many children, but each child has only one parent.
Read more on parenting here: brainly.com/question/240537
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