. Which of the following contributes more to an ecosystem sustainability by allowing for more biodiversity

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material