4.
the tropic of cancer is 23,5 degrees north of the equator. on a given day a vertical stick on
the equator casts no shadow while one at the tropic of cancer does, calculate earth's
circumference using this information, (hint: one degree of latitude is approximately equal
to 111 km)

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species