Please help me ASAP and no links or files please

Lia doesn't like her personality psychology class because the instructor uses unannounced pop exams to test the students as a result, lila never knows when she will be tested instructor is testing her on a o foxed-ratio schedule o fxed-interval variable-ratio variable-interval

Water and soil are brought into the indus river valley as a result of a. high winds b. annual floods c. long droughts d. seasonal tornadoes

Quick using the information in the graph, one might speculate that a) w.w.i created increased job opportunities in the u.s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w.w.ii caused unemployment to increase in the u.s. d) the new deal programs of president roosevelt created employment opportunities in the u.s.