The correct answer is "Those boys"
Other options would give grammatically incorrect sentences according to the standardized English language versions.
The correct answer would be "which"
Typically an online message board of some type. When I was an online student, we had the option to pull up a forum-like message board that gave us direct links to study-guides. We could also access textbooks and other resources from there.
Hope I could help!
Answer:
1. The sound energy in your voice makes the air vibrate. Vibrating air carries the sound energy into the phone. The diaphragm in the mouthpiece microphone converts sound energy into electrical energy. The electrical energy travels from the phone, via exchanges, to your friend's phone.
2. A computer receives data through an input unit based on the instructions it is given and after it processes the data, it sends it back through an output device.
3. They both are similar in many ways. They can download images, music, and apps. They can also send and receive data and information so people can communicate with others.
4. They are also different in many ways. A telephone uses your voice and sound waves so that you can communicate while a computer sends and receives data in order to communicate with other people.
Explanation:
it's kind of lengthy but, I hope this helps.
