What is the gradient of the bighorn river and that of its unnamed tributary? (gradient equals the vertical drop divided by channel length. give your answers in feet per

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain. 

Which of the timelines above accurately represents the order of historical events in canadian history? a. one (1) b. two (2) c. three (3) d. four (4)

Which air mass is most likely to affect wisconsin.a) mp and cab) mt and cpc) ct and cpd) ca and mt