C Q.21 A man pushes a wall and fails to displace it. Choose
incorrect statements related to his work
(1) Negative work
(2) Positive but not maximum work
(3) Maximum work
(4) No work at all

How does convection affect our atmosphere? our layers of earth? our oceans?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.