Which of the following challenges faced by lewis and clark was the direct result of a lack of available maps?
navigating rapids and waterfalls
providing for the group with food supplies
communicating with native americans
harsh winters and sand storms

i wish there was an all of the above choice
!
you!

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

me no say

b because thats the naswer i got

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.