Emily's crops are dying; she noticed the ground has white spots on it and is cracked. What could be the cause?

a. Acid rain on soil
b. Salinization
c. Waterlogged soil
d. Desertification

Place the steps tor the formation of the enzyme pepsinogen in correct order

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

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.