Fish fossils have been found in some places where there is no longer any water. sometimes, they are found on tops of mountains. what is the best explanation for why the fish fossils were found in these places with no water? a) fish used to live on land. b) these places were once underwater. c) the fossils caused the water to dry up. d) these places had fish that climbed the mountains.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.