What is true of an atom’s nucleus? it is positively charged and takes up most of the atom’s space. it is negatively charged and takes up most of the atom’s space. it is positively charged and includes most of the atom’s mass. it is negatively charged and includes most of the atom’s mass.

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.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel