Large sharks' teeth are often found in the phosphate mines around Bartow. Bartow is about 30 miles east of Tampa and is land-locked. How is this possible if Bartow is not by an ocean or bay? PLZ HELP WILL GIVE BRAINLIEST

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment