| A | B |
| telegraph | process of transmitting and receiving messages |
| holograph | a document written wholly in the handwriting of the person |
| graphics | a graphic representation (as a picture, map, or graph) used especially for illustration |
| autograph | written by one's own hand |
| paragraph | group of sentences on one topic |
| biology | study of life |
| biosphere | the part of the earth's crust, waters, and atmosphere that supports life. |
| biome | major ecological community; habitat |
| biopsy | removal of tissues or cells from a living body |
| biohazard | biological agent or condition that constitutes a hazard to humans or the environment |
| automatic | by itself; involuntary |
| automobile | car |
| autonomy | self-directed, self-governing |
| automaton | a mechanism that is self operating |
| autoimmune | of, relating to, or caused by autoantibodies or lymphocytes that attack molecules, cells, or tissues of the organism producing them (similar to flu shot-flu virus is injected into us to regenerate therefore making us resistant to it) |
| automation | a mechanism that is self operating |