Across
- 4. the layer of Earth's atmosphere located above the troposphere and below the mesosphere
- 5. a part of an organism; also refers to the way parts are put together
- 7. the force per unit area exerted on an object
- 10. caused by humans
Down
- 1. a group of parts that work together to function or perform a task
- 2. a group of organisms that share similar characteristics and can mate with each other to produce offspring
- 3. liquid water that falls from the sky
- 4. a small body of flowing water
- 6. large body of water flowing through land on either side
- 8. frozen rain or precipitation in the form of ice pellets
- 9. electromagnetic energy