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Author Question: What is the purpose of a valve? What will be an ideal response? ... (Read 20 times)

theo

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What is the purpose of a valve?
 
  What will be an ideal response?

Question 2

What are the lines the indicate elevation on a topographic map?
 
  What will be an ideal response?



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javimendoza7

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Answer to Question 1

To stop or regulate the flow of fluids in a pipe line

Answer to Question 2

Contour lines



theo

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Both answers were spot on, thank you once again



javimendoza7

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Great! Please up vote :D



 

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