| 1.
| map-making
|
|
|
| 2.
| air flight
|
|
|
| 3.
| supply and demand of goods and services
|
|
|
| 4.
| structure and functions of cells
|
|
|
| 5.
| bacteria
|
|
|
| 6.
| criminals and crimes
|
|
|
| 7.
| production and application of low temperatures
|
|
|
| 8.
| all life forms
|
|
|
| 9.
| mapping or writing about the earth
|
|
|
| 10.
| relation of living forms to the surroundings
|
|
|
