The pie chart presents data on sources of methane emissions in the United states between 1990 and 2013. Which question would help clarify the evidence in the chart?

Which two particles are found in the center of an atom

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?