The picture below shows how a person cleaned leaves from his lawn in two different years, Year 2
Year 1
What was a result of the change the person made from Year 1 to Year 2?
A The person increased the pollution he produced,
B The person cleaned his lawn faster.
The person reduced his use of natural resources,

Galaxy whose shape seems different follow no set pattern are classified as

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

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.