If you were on a British sailing ship in the 1790's and needed to know your position (location on the Earth) at local noon in the Pacific Ocean, HOW would you
determine your longitude using a Harrison chronometer? Since I told you that you would
use a chronometer, in your answer, tell me how you would use the chronometer.

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4