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In-s [12.5K]
3 years ago
10

Which of the following is true about radio waves? They have short wavelengths. They have high energies. They reveal hot gases. T

hey can penetrate dust clouds.
Computers and Technology
2 answers:
Andreyy893 years ago
6 0

They can penetrate dust clouds is the correct answer.

murzikaleks [220]3 years ago
3 0

“Radio waves can penetrate dust clouds” is true about radio waves among given statements.

<u>Explanation: </u>

Radio waves are a type of electromagnetic radiation. The wavelengths in electromagnetic spectrum are longer than infrared light. The frequency of radio waves are higher than 300 gigahertz.

By analyzing this the astronomers can search about the characteristics of the cosmic resources. Radio waves are effectively useful for radio astronomers to discover the radio emissions from the sources like celestial. Common designations of radio waves are UV rays, gamma rays, microwaves, etc.  

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A file named "games.txt" exists and has 80 lines of data. You open the file with the following line of code.
kirill115 [55]

Answer:

2 lines

Explanation:

The "w" flag will overwrite any content, so the existing 80 lines are lost.

Then, if you write two lines, there are two lines in the file.

You could argue that the final newline character causes a third line to be present, but logically, there are two lines.

3 0
3 years ago
Read 2 more answers
Write a program that use a switch statement whose controlling expression is the variable area code. If the value of area_code is
scZoUnD [109]

Answer:

Table for Area codes are not missing;

See Attachment for area codes and major city I used

This program will be implemented using c++ programming language.

// Comments are used for explanatory purposes

// Program starts here

#include <iostream>

using namespace std;

int main( )

{

// Declare Variable area_code

int area_code;

// Prompt response from user

cout<<Enter your area code: ";

cin<<"area_code;

// Start switch statement

switch (area_code) {

// Major city Albany has 1 area code: 229...

case 229:

cout<<"Albany\n";

break;

// Major city Atlanta has 4 area codes: 404, 470 678 and 770

case 404:

case 470:

case 678:

case 770:

cout<<"Atlanta\n";

break;

//Major city Columbus has 2 area code:706 and 762...

case 706:

case 762:

cout<<"Columbus\n";

break;

//Major city Macon has 1 area code: 478...

case 478:

cout<<"Macon\n";

break;

//Major city Savannah has 1 area code: 912..

case 912:

cout<<"Savannah\n";

break;

default:

cout<<"Area code not recognized\n";

}

return 0;

}

// End of Program

The syntax used for the above program is; om

6 0
4 years ago
Who was one of the founders of the location sharing site Foursquare​
Shalnov [3]

One of the founders of Foursquare is Dennis Crowley. The other is Naveen Selvadurai. I know you didn't ask for both but I wanted to give them to you just in case. I hope this helps! (:

7 0
3 years ago
Select the correct answer.
swat32
Answer : C project planning
5 0
3 years ago
Which statement best describes embedded material and hyperlinks? If the original file is moved or deleted, embedded material and
never [62]
<span>The second statement is the best description. If the original file is moved, hyperlinks will still take you to that file's page address, but the file will no longer be there to display. And embedded material won't be able to function.</span>
3 0
3 years ago
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