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Nat2105 [25]
3 years ago
14

How do you recognize substances that have gone through physical or chemical changes?

Computers and Technology
2 answers:
Leviafan [203]3 years ago
7 0
Normally  you can't.   You cannot tell if water has been frozen and then thawed.
Valentin [98]3 years ago
5 0

Answer:

you normally cant tell if something went through chemical change, like sugar and coffee, after the sugar melts into the coffee you cant get it back or tell if there is sugar in it by looking at it.

Explanation:

hope this helps! :)

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What is the half of 3/18
Zarrin [17]

Answer:

1/3

Explanation:

3/18 divided by 2 equals 1/3

hope this helps

have a good day

5 0
2 years ago
Write a code segment that takes an emailaddress stored in the string email and stores theuser name in the string user and the ho
iragen [17]

Answer:

#include <bits/stdc++.h>

using namespace std;

int main() {

  string email,username,host;//strings to store email,username,hostname..

  cout<<"Enter the email address "<<endl;

  cin>>email;//taking input of email address..

  bool flag=1;

  for(int i=0;i<email.length();i++)//iterating over the string email..

  {

      if(email[i]=='@')//if @ symbol is encountered make flag 0 skip this iteration.

      {

          flag=0;

          continue;

      }

      if(flag==1)//add to username if flag is 1.

      {

          username+=email[i];

      }

      else//add tom host..

      host+=email[i];

  }

  cout<<"The username is "<<username<<endl<<"The host name is "<<host;//printing the username and hostname..

return 0;

}

Explanation:

I have taken  three strings to store the email address entered by user ,username and host to store username and host name respectively.Then I am iterating over the string email if @ is encountered then skip that iteration before that keep adding characters to username string and after that keep adding characters to host.

8 0
3 years ago
If you were the IT manager for a large manufacturing company,what issues might you have with the use of opensource software? Wha
Rzqust [24]

Answer: Having the ability to change the source code to fit your needs

Explanation:

7 0
3 years ago
Which of the following is the result of a query?
IgorLugansk [536]
I think the answer is A
6 0
3 years ago
What is 1/10 of 2.0 in decimal form​
son4ous [18]

Answer to this is .2

5 0
3 years ago
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