The image shows a facility that converts the energy of moving water into electrical energy. What is one advantage of using this technology in place of a
coal-burning power plant?
A. It is fueled by a nonrenewable resource.
B. It causes no harm to ecosystems.

C. It produces more water pollution.
D. It does not emit greenhouse gases.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

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

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b. b. at twice the distance, the magnitude of the field is 2b. c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.