The Milky Way is our home galaxy. Which of the following are the main components of a galaxy? A.
gravity, sedimentary rocks, and water

B.
ice, meteoroids, and minerals

C.
orbits, cores, and eclipses

D.
gas, dust, and stars

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Energy flows from the producer level to the level. is called

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.