What is not needed for a charge to flow through a conducting wire?

Which of the following items is most sensitive to increased acidity in the environment? concrete buildings glass windows railroad tracks paved roads

How do organs compare to organ systems

Which statement best describes how today's scientific community views light? Light behaves only like waves. Light behaves only like particles Light behaves like both waves and particles.

A conceptual model is based off of

Which statement related to particle and wave properties of matter is correct? which statement related to particle and wave properties of matter is correct? interference patterns are observed when a wave passes through a barrier with two slits?

No work is done on an object when a force acting on the object does not move it. True False

wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm

If a fully loaded shopping cart has a head-on collision with an empty cart both moving at the same speed toward each other, which cart experiences the greater force? The greater impulse? The greater change in momentum? The greater acceleration?

Why didn't early Portuguese and Dutch explorers decide to create settlements in Australia

How do the electrons in the bulb's filament, far from the battery and its emf, "know" that they should flow?