1. Area in the center of a hurricane that is devoid of clouds?

2. The movement of the earth along a geological fault or at some other point of weakness at or near the earth's surface?

3. A state whose territory/country is long and narrow?

4. A territory that is surrounded by, but is not part of, a state?

5. A controlled investigation designed to evaluate the outcomes of causal manipulations on some system of interest?

6. Is the reflectivity of the Earth's atmosphere and surface combined?

7. Atmospheric disturbance in the tropical trade winds?

8. An __?__ is a system where populations of species group together into communities and interact with each other and the abiotic environment?

9. Maximum level of elastic deformation of a material without rupture?

10. Name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru?

11. Geologic period that occurred roughly 360 to 408 million years ago. During this period, the first amphibians and trees appear?