Which statement about soil color is true? select one: a. soils vary in color based on their depth. b. soils do not vary in color based on their depth. c. soils close to earth's surface are always darker. d. soils far from earth's surface are always darker.

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above

Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?

Metals are good conductors of electricity because they