Which of the following objects is an example of a luminous source? a. sun

b. moon

c. desk

d. all of these

e. none of these

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

What causes the formation of ocean currents?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive