Joe learns how to make a paper airplane by watching his older brother. he goes to his kindergarten where he makes a paper airplane, and jenna learns to make one by watching joe. jenna goes home after school and plays with her friend nora. nora learns to make a paper airplane by watching jenna. this process illustrates:

The process being showed above is observational learning. This occurs when an individual is likely to learn a specific behavior or attitude through observing others or the environment. It could be seen in the situation above where each of them were able to learn of how to make a paper airplane through observing.

the correct answer is 2.

a slump in geology means a mass movement process of slope failure. a mass of rock or unconsolidated material drops along a slip surface. in other words, rock layers move a short distance down the slope. the slump block is an intact block (2), without any landslide material.

in this image, 1 is the surface of rapture (scarp), 2 the slump block, 3 main scarp (crown), 4 base of rapture with debris flow.

slumps are caused by clear cutting on unstable soils and the sagging of earth, in coastal areas they are due to wave infiltration.