Are tested by systematic observations that can be repeated by others and that yield similar conclusions, whereas are based on faith, not on reliable facts and systematic observations.

Theories; Beliefs

Explanation:

In science, theories are put to the test over and over again, and if they pass several tests through time, they are accepted by the scientific community. On the other hand, beliefs do not need to be tested and do not rely on any facts. Beliefs cannot be studied by science.

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jefferson hoped to establish trade with the native american people of the west and find a water route to the pacific. jefferson also was fascinated by the prospect of what could be learned about the geography of the west, the lives and languages of the native americans, the plants and animals, the soil, the rocks, the weather, and how they differed from those in the east.