Write an example that shows how 1 change to Earth's surface (example: volcano erupting, increase in temperature, animal going extinct) causes a change to all 4 spheres of the Earth (biosphere, hydrosphere, atmosphere, and geosphere).

Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs

Arrange the images in order to show how lake-effect snow occurs.

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.