What horticultural method is used most often for vigorous rootstocks that do not produce good quality fruit or flowers?
a. layering
b. cutting
c. grafting

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

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.