The environmental benefits of composting include all of following
a. reduced volume of material ending up in a landfill.
b. generation of rich organic fertilizer.
c. reduction in work force of waste management company.
d. reduced amount of methane generated in landfills.
e. reduced amount of energy needed to transport material to a landfill

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.

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere