Across
- 2. the branch of biology dealing with viruses and one-celled organisms such as bacteria and protozoans
- 4. a type of radio wave with a high frequency
- 6. the charts, maps, drawings, and other images used in printed works such as books and magazines
- 8. to broadcast or receive by television
- 9. a set with a screen for receiving and viewing such pictures
- 11. a document entirely in the handwriting of the author
- 12. the shape of the earth's surface across an area or region
Down
- 1. a tiny plate of silicon that holds many electronic parts
- 3. to broadcast by television
- 5. a soft black or gray form of carbon.
- 7. communication between minds without the use of sensory signals
- 10. a scholarly publication by a single author on a specific subject