Across
- 2. the activity or skill of marking coherent words on paper and composing text
- 5. A numerical quantities that is not a whole number
- 7. the value of each digit in a number. In other words, the position of a digit in a number determines its value
- 8. a biological community of interacting organisms and their physical environment
Down
- 1. something that occupies space and has mass
- 3. the study of past events, particularly in human affairs
- 4. the different shapes of the moon's illuminated portion as seen from Earth
- 6. customs, arts, social institutions, and achievements of a particular nation, people, or other social group