The square of the orbital period of a planet around the sun is proportional to the cube of the planet's orbital radius. this follows the a. law of ellipses b. law of harmonies c. law of kepler

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.