Which action is a result of gravity in relation to moving tectonic plates

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.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?