Explain why the Net Primary Productivity (NPP) of Earth shifts up and down on the globe from year to year

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

If you have a green turn signal light, you must before making your turn. a. check the crosswalk b. yield to cross traffic and check the crosswalk c. turn off your car's turn signal d. none of the above

Which of the following ideas would not lead to lower amounts of waste? a) the extension of a product’s lifetime b) the elimination of unnecessary packaging c) flexible construction for simple repair d) built-in obsolescence e) the introduction of new design technology