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ArbitrLikvidat [17]
3 years ago
8

What do you observe on the filter paper strip after 2 to 3 hours?

Computers and Technology
2 answers:
just olya [345]3 years ago
5 0
Is there pictures or anything esle to read in order to figure out the answer

Goryan [66]3 years ago
5 0

Filtration

Filtration is commonly used to separate heterogeneous mixtures in liquid form. It separates solid particles from the liquid. The diagram shows how a filter holds back bigger solid particles while the liquid passes through.

Bigger solids can be separated from water by passing the mixture through a paper filter or a finely woven cloth. Ancient techniques for purifying water include filtering it through clean, fine sand or fine coal powder.

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Which document would most likely be written in an informal style?
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Answer:

An advertisement for sportswear

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An advertisement for sportswear would most likely be written in an informal style.

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3 years ago
Given an int variable n that has already been declared and initialized to a positive value, write a Java program that prints the
Mars2501 [29]

Answer:

The program to this question can be given as:

Program:

public class Main //define class.

{

public static void main(String[] as) //define main method.

{

int n=5; //define variable n and assign positive value.

int i,j; //define variable

for (i = 7; i>=1; i--) //outer loop.

{

for (j = 0; j< i; j++) //inner loop.

{

System.out.print("*"); //print asterisks.

}

System.out.println(); //line break.

}

}

}

Output:

*****

****

***

**

*

Explanation:

The description of the above code can be given as:

  • In the above java programming code firstly we define a class that is "Main". In this class we define a main method in the main method we define a variables that is "n" in this variable we assign a positive value. The we define another integer variable that is i,j this variable is used in the loop.
  • Then we define a loop. for prints asterisks values in reverse triangle, we nested looping concept. In nested looping, we use in loop in this loop we use the i and j variables that print the asterisks value.

6 0
3 years ago
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