How was science used to make television?

To become an audio technician, the most successful tactics might include the following. (select all that apply). learning how to persuade other people gaining different types of experience in audio technology learning as much as possible about art history establishing a reputation as a reliable professional

With technology, information is sent to users based on their previous inquiries, interests, or specifications.

Which resource produces the cleanest energy? -coal -gasoline -oil -wind