Why must omar and his brother work in the mines ?

a. they cannot attend school

b. their mother cannot support them

c. they enjoy the challenges of mining

d. they do not know another trade

2. what makes mining in cerro rico mountain so hard?

a. distance from the city of potosi

b. isolation from other workers

c. dangerous working conditions and low pay

d. lack of job security

3.why is omar most unlikely to attend school to learn other skills?

a. he wants to play soccer.

b. the city does not have school

c. he spends six days a week in the mines

d. his mother will send his younger brother